1176 lines
94 KiB
XML
1176 lines
94 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.89.20171" ID-PMC="PMC5672152" ID-Pensoft-Pub="1314-2003-89-91" ID-Pensoft-UUID="8A16FFDD6505FF9FCA12BB284204FF89" ID-PubMed="29118652" ID-Zenodo-Dep="1138265" ModsDocID="1314-2003-89-91" checkinTime="1509722488861" checkinUser="pensoft" docAuthor="Pereira, Jovani B. S., Stuetzel, Thomas & Schulz, Christian" docDate="2017" docId="E49E64E4CD0954728B012BCAE9F6FC47" docLanguage="en" docName="PhytoKeys 89: 91-105" docOrigin="PhytoKeys 89" docPubDate="2017-11-03" docSource="http://dx.doi.org/10.3897/phytokeys.89.20171" docTitle="Isoetes nana J. B. S. Pereira 2017, sp. nov." docType="treatment" docVersion="4" id="8A16FFDD6505FF9FCA12BB284204FF89" lastPageNumber="97" masterDocId="8A16FFDD6505FF9FCA12BB284204FF89" masterDocTitle="Isoetes nana, a new species from the coastal mountains of southeastern Brazil" masterLastPageNumber="105" masterPageNumber="91" pageNumber="93" updateTime="1668142122262" updateUser="ExternalLinkService">
|
||
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo>
|
||
<mods:title>Isoetes nana, a new species from the coastal mountains of southeastern Brazil</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Pereira, Jovani B. S.</mods:namePart>
|
||
<mods:affiliation>Ruhr-Universitaet Bochum, Lehrstuhl fuer Evolution und Biodiversitaet der Pflanzen, 44780 Bochum, Germany & Vale Institute of Technology, 66055 - 090, Belem, Para, Brazil</mods:affiliation>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Stuetzel, Thomas</mods:namePart>
|
||
<mods:affiliation>Ruhr-Universitaet Bochum, Lehrstuhl fuer Evolution und Biodiversitaet der Pflanzen, 44780 Bochum, Germany</mods:affiliation>
|
||
</mods:name>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Schulz, Christian</mods:namePart>
|
||
<mods:affiliation>Ruhr-Universitaet Bochum, Lehrstuhl fuer Evolution und Biodiversitaet der Pflanzen, 44780 Bochum, Germany</mods:affiliation>
|
||
</mods:name>
|
||
<mods:typeOfResource>text</mods:typeOfResource>
|
||
<mods:relatedItem type="host">
|
||
<mods:titleInfo>
|
||
<mods:title>PhytoKeys</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:part>
|
||
<mods:date>2017</mods:date>
|
||
<mods:detail type="pubDate">
|
||
<mods:number>2017-11-03</mods:number>
|
||
</mods:detail>
|
||
<mods:detail type="volume">
|
||
<mods:number>89</mods:number>
|
||
</mods:detail>
|
||
<mods:extent unit="page">
|
||
<mods:start>91</mods:start>
|
||
<mods:end>105</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location>
|
||
<mods:url>http://dx.doi.org/10.3897/phytokeys.89.20171</mods:url>
|
||
</mods:location>
|
||
<mods:classification>journal article</mods:classification>
|
||
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.89.20171</mods:identifier>
|
||
<mods:identifier type="Pensoft-Pub">1314-2003-89-91</mods:identifier>
|
||
<mods:identifier type="Pensoft-UUID">8A16FFDD6505FF9FCA12BB284204FF89</mods:identifier>
|
||
<mods:identifier type="Zenodo-Dep">1138265</mods:identifier>
|
||
</mods:mods>
|
||
<treatment ID-GBIF-Taxon="182225687" LSID="urn:lsid:plazi:treatment:E49E64E4CD0954728B012BCAE9F6FC47" httpUri="http://treatment.plazi.org/id/E49E64E4CD0954728B012BCAE9F6FC47" lastPageId="7" lastPageNumber="97" pageId="2" pageNumber="93">
|
||
<subSubSection pageId="2" pageNumber="93" type="nomenclature">
|
||
<paragraph pageId="2" pageNumber="93">
|
||
<taxonomicName LSID="E49E64E4-CD09-5472-8B01-2BCAE9F6FC47" authority="J. B. S. Pereira" authorityName="J. B. S. Pereira" authorityYear="2017" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes nana" order="Isoetales" pageId="2" pageNumber="93" phylum="Lycopodiophyta" rank="species" species="nana" status="sp. nov.">Isoetes nana J.B.S. Pereira</taxonomicName>
|
||
<taxonomicNameLabel pageId="2" pageNumber="93">sp. nov.</taxonomicNameLabel>
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Isoetes nana sp. nov. (from the holotype: Ule 98, G). A 1 - 4 Habit (images are courtesy of the herbarium G) B-D Megaspore B Proximal view of an obscurely cristate (B 1) and rugulate (B 2) megaspore C Distal view (<* portion of the megaspore covered by sporangium tissue) D Equatorial view E-G Microspore E Proximal view F Equatorial view G Distal view. Scale bars: A 1 - 4 = 1 cm; B-D = 100 µm; E-G = 2 µm." figureDoi="10.3897/phytokeys.89.20171.figure1" httpUri="https://binary.pensoft.net/fig/166428" pageId="2" pageNumber="93">Figs 1A-G</figureCitation>
|
||
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. SEM images of the megaspore of Isoetes nana (Ule 98, G), I. weberi (Herter 95840, US), I. quiririensis (Pereira 635, UPCB), I. maxima (Pereira 631, UPCB). A-B Details of the macrosculpture of the megaspore of I. nana A Proximal view B Distal view C Details of the microsculpture of the megaspore of I. nana in distal view showing the terminal ends of anastomosed bars joined forming bacillae or more rarely echinulae D-E Details of the macrosculpture of the megaspore of I. weberi D Proximal view E Distal view F Details of the microsculpture of the megaspore of I. weberi in distal view showing the terminal ends of anastomosed bars joined forming echinulae G-H Details of the macrosculpture of the megaspore of I. quiririensis G Proximal view H Distal view I Details of the microsculpture of the megaspore of I. quiririensis in distal view showing the terminal ends of anastomosed bars joined forming echinulae or rarely bacillae J-K Details of the macrosculpture of the megaspore of I. maxima J Proximal view K Distal view L Details of the microsculpture of the megaspore of I. maxima in distal view showing the terminal ends of anastomosed bars joined forming bacillae. Scale bars: A, B, D, E, G, H, J, K = 10 µm; C, F, I, L = 1 µm." figureDoi="10.3897/phytokeys.89.20171.figure7" httpUri="https://binary.pensoft.net/fig/166435" pageId="2" pageNumber="93">; 7A-C</figureCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="93" type="diagnosis">
|
||
<paragraph pageId="2" pageNumber="93">Diagnosis.</paragraph>
|
||
<paragraph pageId="2" pageNumber="93">
|
||
<taxonomicName authorityName="J. B. S. Pereira" authorityYear="2017" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes nana" order="Isoetales" pageId="2" pageNumber="93" phylum="Lycopodiophyta" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="2" pageNumber="93">Isoetes nana</emphasis>
|
||
</taxonomicName>
|
||
can be distinguished from its closely resembling species by a set of characters that include 5-15 small leaves per individual, erect, reaching up to 3.5cm long, megaspore rugulate (rarely laevigate or obscurely cristate) and microspore sparsely echinate.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="93" type="materials_examined">
|
||
<paragraph pageId="2" pageNumber="93">
|
||
<typeStatus>Type</typeStatus>
|
||
.
|
||
</paragraph>
|
||
<paragraph pageId="2" pageNumber="93">
|
||
<materialsCitation collectingDate="1894-03" collectorName="de Itatiaia" country="BRAZIL" location="Serra de Itatiaia" specimenCount="1" stateProvince="Rio de Janeiro" typeStatus="holotype">
|
||
<collectingCountry name="Brazil">BRAZIL</collectingCountry>
|
||
.
|
||
<collectingRegion country="Brazil" name="Rio de Janeiro">Rio de Janeiro</collectingRegion>
|
||
:
|
||
<location LSID="urn:lsid:plazi:treatment:E49E64E4CD0954728B012BCAE9F6FC47:7AA9C0DA5711457D8CEB8356B8C0EB66" country="BRAZIL" name="Serra de Itatiaia" stateProvince="Rio de Janeiro">
|
||
Serra
|
||
<collectorName>de Itatiaia</collectorName>
|
||
</location>
|
||
,
|
||
<collectingDate value="1894-03">March 1894</collectingDate>
|
||
,
|
||
<emphasis italics="true" pageId="2" pageNumber="93">Ule 98</emphasis>
|
||
(
|
||
<typeStatus>holotype</typeStatus>
|
||
: G!; isotype: HBG!)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="93" type="description">
|
||
<paragraph pageId="2" pageNumber="93">Description.</paragraph>
|
||
<paragraph pageId="2" pageNumber="93">
|
||
Plants terrestrial or aquatic. Corm globose to subglobose, 0.3-0.8cm wide, 2-lobed. Roots conspicuous, dichotomously branched. Leaves 0.6-1.2mm wide at mid length, 1.5-3.5 cm long, 5-15, linear to triangular, straight, erect, apex acute; alae 0.9-1.6 cm long, stretching 1/2-3/4 of total leaf length. Subula semi-terete, olive-green in dry material. Labium present, caducous. Ligule not seen. Velum covering ca. 1/2 of the sporangium surface. Scales absent. Sporangium 1.0-1.5 mm wide, 1.5-2.0 mm long, orbiculate to elliptic, hyaline throughout. Megaspore 480-520
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
diameter (average = 500
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
,
|
||
<emphasis italics="true" pageId="2" pageNumber="93">N</emphasis>
|
||
= 10), trilete, white, not lustrous, subspheroidal; laesures straight, narrowly triangular, higher than wide, with straight and parallel sides, apex acute, slightly lower close to the pole; macrosculpture of the proximal and distal surfaces rugulate (rarely laevigate or obscurely cristate), microsculpture of the proximal and distal surfaces with terminal ends of anastomosed bars joined forming bacillae or more rarely echinulae; equatorial ridges arched, with straight and parallel sides, rounded. Microspore 29-33µm long (average = 31
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
,
|
||
<emphasis italics="true" pageId="2" pageNumber="93">N</emphasis>
|
||
= 20), light brown, monolete; laesurae straight, without prominent invagination, macrosculpture on the proximal and distal surface sparsely echinate, echinulae low, microsculpture baculate and granulate.
|
||
</paragraph>
|
||
<caption ID-Zenodo-Dep="1138267" doi="10.3897/phytokeys.89.20171.figure1" httpUri="https://binary.pensoft.net/fig/166428" pageId="2" pageNumber="93" start="Figure 1" startId="F1">
|
||
<paragraph pageId="2" pageNumber="93">
|
||
<emphasis bold="true" pageId="2" pageNumber="93">Figure 1.</emphasis>
|
||
<taxonomicName authorityName="J. B. S. Pereira" authorityYear="2017" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes nana" order="Isoetales" pageId="2" pageNumber="93" phylum="Lycopodiophyta" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="2" pageNumber="93">Isoetes nana</emphasis>
|
||
</taxonomicName>
|
||
sp. nov. (from the holotype: Ule 98, G).
|
||
<emphasis bold="true" pageId="2" pageNumber="93">A1-4</emphasis>
|
||
Habit (images are courtesy of the herbarium G)
|
||
<emphasis bold="true" pageId="2" pageNumber="93">B-D</emphasis>
|
||
Megaspore
|
||
<emphasis bold="true" pageId="2" pageNumber="93">B</emphasis>
|
||
Proximal view of an obscurely cristate (B1) and rugulate (B2) megaspore
|
||
<emphasis bold="true" pageId="2" pageNumber="93">C</emphasis>
|
||
Distal view (<*portion of the megaspore covered by sporangium tissue)
|
||
<emphasis bold="true" pageId="2" pageNumber="93">D</emphasis>
|
||
Equatorial view
|
||
<emphasis bold="true" pageId="2" pageNumber="93">E-G</emphasis>
|
||
Microspore
|
||
<emphasis bold="true" pageId="2" pageNumber="93">E</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="2" pageNumber="93">F</emphasis>
|
||
Equatorial view
|
||
<emphasis bold="true" pageId="2" pageNumber="93">G</emphasis>
|
||
Distal view. Scale bars:
|
||
<emphasis bold="true" pageId="2" pageNumber="93">A1-4</emphasis>
|
||
= 1 cm;
|
||
<emphasis bold="true" pageId="2" pageNumber="93">B-D</emphasis>
|
||
= 100
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
;
|
||
<emphasis bold="true" pageId="2" pageNumber="93">E-G</emphasis>
|
||
= 2
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="93" type="materials_examined">
|
||
<paragraph pageId="2" pageNumber="93">Additional specimens examined.</paragraph>
|
||
<paragraph pageId="2" pageNumber="93">
|
||
<materialsCitation collectingDate="1894-03" collectorName="de Itatiaia" country="BRAZIL" location="Serra de Itatiaia" specimenCount="1" stateProvince="Rio de Janeiro">
|
||
<collectingCountry name="Brazil">BRAZIL</collectingCountry>
|
||
.
|
||
<collectingRegion country="Brazil" name="Rio de Janeiro">Rio de Janeiro</collectingRegion>
|
||
:
|
||
<location LSID="urn:lsid:plazi:treatment:E49E64E4CD0954728B012BCAE9F6FC47:01C1D655A65B6C6B304BFB799B5BAAF5" country="BRAZIL" name="Serra de Itatiaia" stateProvince="Rio de Janeiro">
|
||
Serra
|
||
<collectorName>de Itatiaia</collectorName>
|
||
</location>
|
||
, em pequenas bacias
|
||
<normalizedToken originalValue="d’água">d'agua</normalizedToken>
|
||
dos rochedos,
|
||
<collectingDate value="1894-03">Mar. 1894</collectingDate>
|
||
,
|
||
<emphasis italics="true" pageId="2" pageNumber="93">Ule s.n.</emphasis>
|
||
(P01591972; https://science.mnhn.fr/institution/mnhn/collection/p/item/p01591972)
|
||
</materialsCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="2" pageNumber="93" type="distribution">
|
||
<paragraph pageId="2" pageNumber="93">Distribution and habitat.</paragraph>
|
||
<paragraph pageId="2" pageNumber="93">
|
||
<taxonomicName authorityName="J. B. S. Pereira" authorityYear="2017" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes nana" order="Isoetales" pageId="2" pageNumber="93" phylum="Lycopodiophyta" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="2" pageNumber="93">Isoetes nana</emphasis>
|
||
</taxonomicName>
|
||
is known only from the type locality at Serra de Itatiaia, Rio de Janeiro (Figure
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Geographical distribution of Isoetes nana (blue circle), I. maxima (purple triangle), I. quiririensis (orange diamond) and I. weberi (green squares) in southeastern South America. In Brazil: MG = Minas Gerais; PR = Parana; RJ = Rio de Janeiro; RS = Rio Grande do Sul; SC = Santa Catarina; SP = Sao Paulo." figureDoi="10.3897/phytokeys.89.20171.figure2" httpUri="https://binary.pensoft.net/fig/166429" pageId="2" pageNumber="93">2</figureCitation>
|
||
). According to the label on herbarium sheets, the population was found at elevations of about 2300 m and recorded as aquatic, growing in small ponds on rocky outcrops.
|
||
</paragraph>
|
||
<caption ID-Zenodo-Dep="1138269" doi="10.3897/phytokeys.89.20171.figure2" httpUri="https://binary.pensoft.net/fig/166429" pageId="2" pageNumber="93" start="Figure 2" startId="F2">
|
||
<paragraph pageId="2" pageNumber="93">
|
||
<emphasis bold="true" pageId="2" pageNumber="93">Figure 2.</emphasis>
|
||
Geographical distribution of
|
||
<taxonomicName authorityName="J. B. S. Pereira" authorityYear="2017" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes nana" order="Isoetales" pageId="2" pageNumber="93" phylum="Lycopodiophyta" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="2" pageNumber="93">Isoetes nana</emphasis>
|
||
</taxonomicName>
|
||
(blue circle),
|
||
<taxonomicName lsidName="I. maxima" pageId="2" pageNumber="93" rank="species" species="maxima">
|
||
<emphasis italics="true" pageId="2" pageNumber="93">I. maxima</emphasis>
|
||
</taxonomicName>
|
||
(purple triangle),
|
||
<taxonomicName lsidName="I. quiririensis" pageId="2" pageNumber="93" rank="species" species="quiririensis">
|
||
<emphasis italics="true" pageId="2" pageNumber="93">I. quiririensis</emphasis>
|
||
</taxonomicName>
|
||
(orange diamond) and
|
||
<taxonomicName lsidName="I. weberi" pageId="2" pageNumber="93" rank="species" species="weberi">
|
||
<emphasis italics="true" pageId="2" pageNumber="93">I. weberi</emphasis>
|
||
</taxonomicName>
|
||
(green squares) in southeastern South America. In Brazil: MG=Minas Gerais; PR=
|
||
<normalizedToken originalValue="Paraná">Parana</normalizedToken>
|
||
; RJ=Rio de Janeiro; RS=Rio Grande do Sul; SC=Santa Catarina; SP=
|
||
<normalizedToken originalValue="São">Sao</normalizedToken>
|
||
Paulo.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="6" lastPageNumber="97" pageId="3" pageNumber="94" type="comments">
|
||
<paragraph pageId="3" pageNumber="94">
|
||
<pageBreakToken pageId="3" pageNumber="94" start="start">Comments</pageBreakToken>
|
||
.
|
||
</paragraph>
|
||
<paragraph lastPageId="4" lastPageNumber="95" pageId="3" pageNumber="94">
|
||
The two collections (Ule 98, kept in G and HBG and Ule
|
||
<emphasis italics="true" pageId="3" pageNumber="94">s.n.</emphasis>
|
||
kept in P) made by Ule at Serra de Itatiaia (Rio de Janeiro, Brazil) in March 1894 are probably a single collection. Fuchs-Eckert labelled the collection Ule 98 (G) as
|
||
<taxonomicName authorityName="J. B. S. Pereira" authorityYear="2017" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes nana" order="Isoetales" pageId="3" pageNumber="94" phylum="Lycopodiophyta" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="3" pageNumber="94">Isoetes nana</emphasis>
|
||
</taxonomicName>
|
||
and also cited this name in a published paper (
|
||
<bibRefCitation author="Fuchs-Eckert, HP" journalOrPublisher="Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen, Series C" pageId="10" pageNumber="101" pagination="205 - 260" refId="B2" refString="Fuchs-Eckert, HP, 1982. Zur heutigen Kenntnis von Vorkommen und Verbreitung der suedamerikanischen Isoetes -Arten. Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen, Series C 85 (2): 205 - 260" title="Zur heutigen Kenntnis von Vorkommen und Verbreitung der suedamerikanischen Isoetes - Arten." volume="85" year="1982">Fuchs-Eckert 1982</bibRefCitation>
|
||
: 255).
|
||
<bibRefCitation author="Hickey, RJ" journalOrPublisher="Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen, Series C" pageId="10" pageNumber="101" refId="B5" refString="Hickey, RJ, 1985. Revisionary studies of Neotropical Isoetes. PhD Thesis, The University of Connecticut, Storrs, USA." title="Revisionary studies of Neotropical Isoetes. PhD Thesis, The University of Connecticut, Storrs, USA." year="1985">Hickey (1985)</bibRefCitation>
|
||
also pointed out the unique characters of the megaspore of
|
||
<taxonomicName lsidName="I. nana" pageId="3" pageNumber="94" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="3" pageNumber="94">I. nana</emphasis>
|
||
</taxonomicName>
|
||
in his doctoral thesis
|
||
<pageBreakToken pageId="4" pageNumber="95" start="start">(</pageBreakToken>
|
||
<bibRefCitation author="Hickey, RJ" journalOrPublisher="Proceedings of the Koninklijke Nederlandse Akademie van Wetenschappen, Series C" pageId="10" pageNumber="101" refId="B5" refString="Hickey, RJ, 1985. Revisionary studies of Neotropical Isoetes. PhD Thesis, The University of Connecticut, Storrs, USA." title="Revisionary studies of Neotropical Isoetes. PhD Thesis, The University of Connecticut, Storrs, USA." year="1985">Hickey 1985</bibRefCitation>
|
||
: 142). However, neither Fuchs-Eckert nor Hickey have diagnosed and validly published this new taxon.
|
||
<taxonomicName authorityName="J. B. S. Pereira" authorityYear="2017" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes nana" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">Isoetes nana</emphasis>
|
||
</taxonomicName>
|
||
is known only from these two collections. Although we tried three times to re-collect
|
||
<taxonomicName authorityName="J. B. S. Pereira" authorityYear="2017" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes nana" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">Isoetes nana</emphasis>
|
||
</taxonomicName>
|
||
, without success (all our attempts were with bad weather, including heavy rain), no additional collections have been made until now. The lack of recent collections of this species may probably be due to two main reasons: first, because of its rarity; second, because it has been overlooked (as many
|
||
<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="genus">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">Isoetes</emphasis>
|
||
</taxonomicName>
|
||
species) by botanists during fieldwork.
|
||
</paragraph>
|
||
<paragraph pageId="4" pageNumber="95">
|
||
In the same Serra do Itatiaia, three other
|
||
<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="genus">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">Isoetes</emphasis>
|
||
</taxonomicName>
|
||
taxa occur:
|
||
<taxonomicName lsidName="I. ulei" pageId="4" pageNumber="95" rank="species" species="ulei">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I. ulei</emphasis>
|
||
</taxonomicName>
|
||
U. Weber,
|
||
<taxonomicName lsidName="I. martii" pageId="4" pageNumber="95" rank="species" species="martii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I. martii</emphasis>
|
||
</taxonomicName>
|
||
A. Braun and
|
||
<taxonomicName lsidName="I. goebelii" pageId="4" pageNumber="95" rank="species" species="goebelii">
|
||
I.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
goebelii
|
||
</taxonomicName>
|
||
U. Weber (
|
||
<emphasis italics="true" pageId="4" pageNumber="95">pro sp.</emphasis>
|
||
) (
|
||
<emphasis italics="true" pageId="4" pageNumber="95">
|
||
<taxonomicName lsidName="I. martii" pageId="4" pageNumber="95" rank="species" species="martii">I. martii</taxonomicName>
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="genus">Isoetes</taxonomicName>
|
||
sp.
|
||
</emphasis>
|
||
) (Figs
|
||
<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. SEM images of the megaspore of Isoetes ulei (Ule 3533, HBG), I. martii (Pereira 720, UPCB) and I. x goebelii (Pereira 718, UPCB). A-C Megaspore of I. ulei A Proximal view B Distal view C Equatorial view D-F Megaspore of I. martii D Proximal view E Distal view F Equatorial view G-I Megaspore of I. x goebelii G Proximal view H Distal view I Equatorial view. All scale bars = 100 µm." figureDoi="10.3897/phytokeys.89.20171.figure3" httpUri="https://binary.pensoft.net/fig/166430" pageId="4" pageNumber="95">3</figureCitation>
|
||
-
|
||
<figureCitation captionStart="Figure 5" captionStartId="F5" captionText="Figure 5. SEM images of the microspore of Isoetes ulei (Ule 3533, HBG), I. martii (Regnel 1505, B) and I. x goebelii (Pereira 718, UPCB). A-C Microspore of I. ulei A Proximal view B Distal view C Equatorial view D-F Microspore of I. martii D Proximal view E Equatorial view F Distal view G-I Microspore of I. x goebelii G Proximal view H Equatorial view I Equatorial view. All scale bars = 2 µm" figureDoi="10.3897/phytokeys.89.20171.figure5" httpUri="https://binary.pensoft.net/fig/166432" pageId="4" pageNumber="95">5</figureCitation>
|
||
).
|
||
<taxonomicName authorityName="J. B. S. Pereira" authorityYear="2017" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes nana" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">Isoetes nana</emphasis>
|
||
</taxonomicName>
|
||
can be easily distinguished from these species and the hybrid by its few leaves (5-15 per individual vs. more than 15 per individual, rarely 10 leaves in
|
||
<taxonomicName lsidName="I. martii" pageId="4" pageNumber="95" rank="species" species="martii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I. martii</emphasis>
|
||
</taxonomicName>
|
||
) that are short (1.5-3.5 cm vs.> 6 cm) and by its megaspore rugulate, rarely laevigate or obscurely cristate (vs. reticulate or distinctly cristate) and microspore sparsely echinate (vs. laevigate or densely echinate) (Table
|
||
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Comparison of morphological characters of the Isoetes species analysed in this study." httpUri="http://table.plazi.org/id/3517DE7988B4073E26B91EAC100FEC49" pageId="4" pageNumber="95" tableUuid="3517DE7988B4073E26B91EAC100FEC49">1</tableCitation>
|
||
-
|
||
<tableCitation captionStart="Table 2" captionStartId="T2" captionText="Table 2. Comparison of characters of mega- and microspores and chromosome number of Isoetes species analysed in this study." httpUri="http://table.plazi.org/id/E9AF821824D4BEC3B8788C13C26168A0" pageId="4" pageNumber="95" tableUuid="E9AF821824D4BEC3B8788C13C26168A0">2</tableCitation>
|
||
).
|
||
</paragraph>
|
||
<caption ID-Zenodo-Dep="1138271" doi="10.3897/phytokeys.89.20171.figure3" httpUri="https://binary.pensoft.net/fig/166430" pageId="4" pageNumber="95" start="Figure 3" startId="F3">
|
||
<paragraph pageId="4" pageNumber="95">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">Figure 3.</emphasis>
|
||
SEM images of the megaspore of
|
||
<taxonomicName authorityName="Weber" authorityYear="1922" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes ulei" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="ulei">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">Isoetes ulei</emphasis>
|
||
</taxonomicName>
|
||
(Ule 3533, HBG),
|
||
<taxonomicName lsidName="I. martii" pageId="4" pageNumber="95" rank="species" species="martii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I. martii</emphasis>
|
||
</taxonomicName>
|
||
(Pereira 720, UPCB) and
|
||
<taxonomicName lsidName="I. goebelii" pageId="4" pageNumber="95" rank="species" species="goebelii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">
|
||
I.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
goebelii
|
||
</emphasis>
|
||
</taxonomicName>
|
||
(Pereira 718, UPCB).
|
||
<emphasis bold="true" pageId="4" pageNumber="95">A-C</emphasis>
|
||
Megaspore of
|
||
<taxonomicName lsidName="I. ulei" pageId="4" pageNumber="95" rank="species" species="ulei">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I. ulei</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="4" pageNumber="95">A</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">B</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">C</emphasis>
|
||
Equatorial view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">D-F</emphasis>
|
||
Megaspore of
|
||
<taxonomicName lsidName="I. martii" pageId="4" pageNumber="95" rank="species" species="martii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I. martii</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="4" pageNumber="95">D</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">E</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">F</emphasis>
|
||
Equatorial view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">G-I</emphasis>
|
||
Megaspore of
|
||
<taxonomicName lsidName="I. goebelii" pageId="4" pageNumber="95" rank="species" species="goebelii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">
|
||
I.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
goebelii
|
||
</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="4" pageNumber="95">G</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">H</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">I</emphasis>
|
||
Equatorial view. All scale bars = 100
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-Zenodo-Dep="1138273" doi="10.3897/phytokeys.89.20171.figure4" httpUri="https://binary.pensoft.net/fig/166431" pageId="4" pageNumber="95" start="Figure 4" startId="F4">
|
||
<paragraph pageId="4" pageNumber="95">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">Figure 4.</emphasis>
|
||
SEM images of the megaspore of
|
||
<taxonomicName authorityName="Weber" authorityYear="1922" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes ulei" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="ulei">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">Isoetes ulei</emphasis>
|
||
</taxonomicName>
|
||
(Ule 3533, HBG),
|
||
<taxonomicName lsidName="I. martii" pageId="4" pageNumber="95" rank="species" species="martii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I. martii</emphasis>
|
||
</taxonomicName>
|
||
(Pereira 726, UPCB) and
|
||
<taxonomicName genus="I." lsidName="I." pageId="4" pageNumber="95" rank="genus">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I.</emphasis>
|
||
</taxonomicName>
|
||
<normalizedToken originalValue="×g">xg</normalizedToken>
|
||
<emphasis italics="true" pageId="4" pageNumber="95">oebelii</emphasis>
|
||
(Pereira 718, UPCB).
|
||
<emphasis bold="true" pageId="4" pageNumber="95">A-B</emphasis>
|
||
Details of the macrosculpture of the megaspore of
|
||
<taxonomicName lsidName="I. ulei" pageId="4" pageNumber="95" rank="species" species="ulei">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I. ulei</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="4" pageNumber="95">A</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">B</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">C</emphasis>
|
||
Details of the microsculpture of the megaspore of
|
||
<taxonomicName lsidName="I. ulei" pageId="4" pageNumber="95" rank="species" species="ulei">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I. ulei</emphasis>
|
||
</taxonomicName>
|
||
in distal view showing the terminal ends of anastomosed bars joined forming echinulae
|
||
<emphasis bold="true" pageId="4" pageNumber="95">D-E</emphasis>
|
||
Details of the macrosculpture of the megaspore of
|
||
<taxonomicName lsidName="martii" pageId="4" pageNumber="95" rank="species" species="martii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">martii</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="4" pageNumber="95">D</emphasis>
|
||
Proximal view. E. Distal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">F</emphasis>
|
||
Details of the microsculpture of the megaspore of
|
||
<taxonomicName lsidName="martii" pageId="4" pageNumber="95" rank="species" species="martii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">martii</emphasis>
|
||
</taxonomicName>
|
||
in distal view showing the terminal ends of anastomosed bars joined forming echinulae
|
||
<emphasis bold="true" pageId="4" pageNumber="95">G-H</emphasis>
|
||
Details of the macrosculpture of the megaspore of
|
||
<taxonomicName lsidName="I. goebelii" pageId="4" pageNumber="95" rank="species" species="goebelii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">
|
||
I.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
goebelii
|
||
</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="4" pageNumber="95">G</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">H</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">I</emphasis>
|
||
Details of the microsculpture of the megaspore of
|
||
<taxonomicName lsidName="I. goebelii" pageId="4" pageNumber="95" rank="species" species="goebelii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">
|
||
I.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
goebelii
|
||
</emphasis>
|
||
</taxonomicName>
|
||
in distal view showing the terminal ends of anastomosed bars joined forming echinulae. Scale bars:
|
||
<emphasis bold="true" pageId="4" pageNumber="95">A, B, D, E, G, H</emphasis>
|
||
= 10
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
;
|
||
<emphasis bold="true" pageId="4" pageNumber="95">C, F, I</emphasis>
|
||
= 1
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-Zenodo-Dep="1138275" doi="10.3897/phytokeys.89.20171.figure5" httpUri="https://binary.pensoft.net/fig/166432" pageId="4" pageNumber="95" start="Figure 5" startId="F5">
|
||
<paragraph pageId="4" pageNumber="95">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">Figure 5.</emphasis>
|
||
SEM images of the microspore of
|
||
<taxonomicName authorityName="Weber" authorityYear="1922" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes ulei" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="ulei">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">Isoetes ulei</emphasis>
|
||
</taxonomicName>
|
||
(Ule 3533, HBG),
|
||
<taxonomicName lsidName="I. martii" pageId="4" pageNumber="95" rank="species" species="martii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I. martii</emphasis>
|
||
</taxonomicName>
|
||
(Regnel 1505, B) and
|
||
<taxonomicName lsidName="I. goebelii" pageId="4" pageNumber="95" rank="species" species="goebelii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">
|
||
I.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
goebelii
|
||
</emphasis>
|
||
</taxonomicName>
|
||
(Pereira 718, UPCB).
|
||
<emphasis bold="true" pageId="4" pageNumber="95">A-C</emphasis>
|
||
Microspore of
|
||
<taxonomicName lsidName="I. ulei" pageId="4" pageNumber="95" rank="species" species="ulei">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I. ulei</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="4" pageNumber="95">A</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">B</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">C</emphasis>
|
||
Equatorial view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">D-F</emphasis>
|
||
Microspore of
|
||
<taxonomicName lsidName="I. martii" pageId="4" pageNumber="95" rank="species" species="martii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I. martii</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="4" pageNumber="95">D</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">E</emphasis>
|
||
Equatorial view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">F</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">G-I</emphasis>
|
||
Microspore of
|
||
<taxonomicName lsidName="I. goebelii" pageId="4" pageNumber="95" rank="species" species="goebelii">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">
|
||
I.
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
goebelii
|
||
</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="4" pageNumber="95">G</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">H</emphasis>
|
||
Equatorial view
|
||
<emphasis bold="true" pageId="4" pageNumber="95">I</emphasis>
|
||
Equatorial view. All scale bars = 2
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-Table-UUID="3517DE7988B4073E26B91EAC100FEC49" httpUri="http://table.plazi.org/id/3517DE7988B4073E26B91EAC100FEC49" pageId="4" pageNumber="95" start="Table 1" startId="T1">
|
||
<paragraph pageId="4" pageNumber="95">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">Table 1.</emphasis>
|
||
Comparison of morphological characters of the
|
||
<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="genus">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">Isoetes</emphasis>
|
||
</taxonomicName>
|
||
species analysed in this study.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="4" pageNumber="95">
|
||
<table pageId="4" pageNumber="95">
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="2" pageId="4" pageNumber="95" rowspan="1">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">Taxon</emphasis>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName authorityName="Weber" authorityYear="1922" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes goebelii" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="goebelii">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">
|
||
Isoetes
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
goebelii
|
||
</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes martii" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="martii">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">Isoetes martii</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes maxima" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="maxima">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">Isoetes maxima</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName authorityName="J. B. S. Pereira" authorityYear="2017" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes nana" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="nana">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">Isoetes nana</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes quiririensis" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="quiririensis">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">Isoetes quiririensis</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName authorityName="Weber" authorityYear="1922" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes ulei" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="ulei">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">Isoetes ulei</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName authorityName="Herter ex Weber" authorityYear="1922" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes weberi" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="weberi">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">Isoetes weberi</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="5">Leaf</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Number</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">60-80</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">10-65</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">23-95</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">5-15</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">25-60</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">20-40</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">11-53</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Width (mm)†</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1.5-1.8</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">0.8-1.9</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">0.8-2.2</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">0.6-1.2</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1.8-2.3</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1.3-2</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">0.7-1.4</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Length (cm)</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">21-30</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">6-32</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">15-42</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1.5-3.5</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">25-41</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">33-60</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">9-26</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Form</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">linear</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">linear</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">linear to triangular</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">linear to triangular</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">linear</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">linear</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">linear to filiform</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Position</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">erect to ascending</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">erect</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">erect to ascending</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">erect</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">erect</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">erect</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">erect to ascending</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="2">Alae</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Length (cm)</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">7-7.5</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">2-10</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">2.5-14</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">0.9-1.6</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">7.5-15</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">4-8.5</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">6-12</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Alae/leaf length ratio</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1/4-1/3</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1/5-2/5</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1/5-1/2</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1/2-3/4</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1/3-2/5</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1/10-1/5</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1/4-3/4</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="2">Ligule</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Colour‡</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">dark brown</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">brown</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">dark brown</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">not seen</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">brown</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">hyaline</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">brown</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Form</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">base cordate and apex attenuate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">base cordate and apex attenuate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">base cordate and apex acuminate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">not seen</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">base cordate and apex acute</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">base cordate and apex acute to attenuate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">base cordate (apex not seen)</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="2" pageId="4" pageNumber="95" rowspan="1">Velum covering</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">ca. 1/3</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1/2-3/4</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1/3-3/4</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">ca. 1/2</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">3/4 to complete</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1/2-3/4</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">ca. 1/2</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="3">Sporangium</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Width (mm)</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">3.5-4</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">2.3-3.5</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">3.5-6</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1-1.5</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">2.5-4</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">2.3-4.2</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">2.5-4</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Length (mm)</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">8-9</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">2.3-7</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">5-12</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">1.5-2</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">5-9</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">4-6.5</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">3.5-6</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Colour</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">hyaline to light brown</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">hyaline to brown</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">hyaline to light brown</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">hyaline</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">hyaline to light brown</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">hyaline</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">hyaline with brown dots</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="2" pageId="4" pageNumber="95" rowspan="1">Habitat</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">aquatic submerged, growing in lakes, rivers and streams</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">aquatic submerged, growing in lakes, rivers, pods, streams and wet soils</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">aquatic submerged, growing in streams</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">aquatic, growing in small ponds on rocky outcrops</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">aquatic submerged, growing in rivers</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">aquatic submerged, growing in lakes</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">aquatic submerged and terrestrial, growing in ponds and wet soils</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph pageId="4" pageNumber="95">
|
||
<tableNote pageId="4" pageNumber="95">† Leaf wide at mid length; ‡ Ligula color in dry material</tableNote>
|
||
</paragraph>
|
||
<caption ID-Table-UUID="E9AF821824D4BEC3B8788C13C26168A0" httpUri="http://table.plazi.org/id/E9AF821824D4BEC3B8788C13C26168A0" pageId="4" pageNumber="95" start="Table 2" startId="T2">
|
||
<paragraph pageId="4" pageNumber="95">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">Table 2.</emphasis>
|
||
Comparison of characters of mega- and microspores and chromosome number of
|
||
<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="genus">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">Isoetes</emphasis>
|
||
</taxonomicName>
|
||
species analysed in this study.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="4" pageNumber="95">
|
||
<table pageId="4" pageNumber="95">
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="2" pageId="4" pageNumber="95" rowspan="1">
|
||
<emphasis bold="true" pageId="4" pageNumber="95">Species</emphasis>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName authorityName="Weber" authorityYear="1922" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes goebelii" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="goebelii">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">
|
||
Isoetes
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
goebelii
|
||
</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes martii" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="martii">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">Isoetes martii</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes maxima" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="maxima">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">Isoetes maxima</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName authorityName="J. B. S. Pereira" authorityYear="2017" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes nana" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="nana">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">Isoetes nana</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes quiririensis" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="quiririensis">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">Isoetes quiririensis</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName authorityName="Weber" authorityYear="1922" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes ulei" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="ulei">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">Isoetes ulei</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">
|
||
<taxonomicName authorityName="Herter ex Weber" authorityYear="1922" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes weberi" order="Isoetales" pageId="4" pageNumber="95" phylum="Lycopodiophyta" rank="species" species="weberi">
|
||
<emphasis bold="true" italics="true" pageId="4" pageNumber="95">Isoetes weberi</emphasis>
|
||
</taxonomicName>
|
||
</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="4">Megaspore</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Diameter (µm)</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">535-717; x=637</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">640-913; x=705</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">460-670; x=580</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">480-520; x=500</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">477-670; x=567</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">431-635; x=527</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">360-490; x=442</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Macrosculpture of the proximal surface</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">cristate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">reticulate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">laevigate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">rugulate, rarely laevigate or obscurely cristate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">verrucate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">cristate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">rugulate or verrucate</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Macrosculpture of the distal surface</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">cristate or reticulate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">reticulate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">laevigate to obscurely verrucate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">rugulate, rarely laevigate or obscurely cristate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">verrucate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">cristate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">rugulate or verrucate</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Microsculpture of the proximal and distal surface (terminal ends of anastomosed bars)</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">echinulae</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">echinulae</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">baccillae</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">bacillae or rarely echinulae</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">echinulae or rarely bacillae</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">echinulae</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">echinulae</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="3">Microspore</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Maximum length (µm)</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">30-36; x=34</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">32-41; x=36</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">23-34; x=29</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">29-33; x= 31</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">26-34; x=31</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">25-32; x=29</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">27-31; x= 29</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Macrosculpture of the proximal surface</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">densely echinate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">laevigate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">densely echinate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">sparsely echinate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">sparsely echinate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">densely echinate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">sparsely echinate or laevigate</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">Macrosculpture of the distal surface</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">densely echinate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">laevigate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">densely echinate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">sparsely echinate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">sparsely echinate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">densely echinate</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">sparsely to densely echinate</td>
|
||
</tr>
|
||
<tr pageId="4" pageNumber="95">
|
||
<td colspan="2" pageId="4" pageNumber="95" rowspan="1">Chromosome number</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">33</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">44</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">22</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">-</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">22</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">-</td>
|
||
<td colspan="1" pageId="4" pageNumber="95" rowspan="1">-</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
<paragraph lastPageId="6" lastPageNumber="97" pageId="4" pageNumber="95">
|
||
In the coastal mountains in southern Brazil, three other species with non-reticulate megaspore occur that are similar to this new species (Figure
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Geographical distribution of Isoetes nana (blue circle), I. maxima (purple triangle), I. quiririensis (orange diamond) and I. weberi (green squares) in southeastern South America. In Brazil: MG = Minas Gerais; PR = Parana; RJ = Rio de Janeiro; RS = Rio Grande do Sul; SC = Santa Catarina; SP = Sao Paulo." figureDoi="10.3897/phytokeys.89.20171.figure2" httpUri="https://binary.pensoft.net/fig/166429" pageId="4" pageNumber="95">2</figureCitation>
|
||
; Table
|
||
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Comparison of morphological characters of the Isoetes species analysed in this study." httpUri="http://table.plazi.org/id/3517DE7988B4073E26B91EAC100FEC49" pageId="4" pageNumber="95" tableUuid="3517DE7988B4073E26B91EAC100FEC49">1</tableCitation>
|
||
-
|
||
<tableCitation captionStart="Table 2" captionStartId="T2" captionText="Table 2. Comparison of characters of mega- and microspores and chromosome number of Isoetes species analysed in this study." httpUri="http://table.plazi.org/id/E9AF821824D4BEC3B8788C13C26168A0" pageId="4" pageNumber="95" tableUuid="E9AF821824D4BEC3B8788C13C26168A0">2</tableCitation>
|
||
):
|
||
<taxonomicName lsidName="I. weberi" pageId="4" pageNumber="95" rank="species" species="weberi">
|
||
<emphasis italics="true" pageId="4" pageNumber="95">I. weberi</emphasis>
|
||
</taxonomicName>
|
||
U.
|
||
<pageBreakToken pageId="5" pageNumber="96" start="start">Weber</pageBreakToken>
|
||
(Figures
|
||
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. SEM images of the megaspore of Isoetes weberi (Herter 95840, US), I. quiririensis (Pereira 635, UPCB), I. maxima (Pereira 631, UPCB). A-C Megaspore of I. weberi A Proximal view B Distal view C Equatorial view D-F Megaspore of I. quiririensis D Proximal view E Distal view F Equatorial view G-I Megaspore of I. maxima J Proximal view K Distal view L Equatorial view. All scale bars = 100 µm." figureDoi="10.3897/phytokeys.89.20171.figure6" httpUri="https://binary.pensoft.net/fig/166434" pageId="5" pageNumber="96">6A-C</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. SEM images of the megaspore of Isoetes nana (Ule 98, G), I. weberi (Herter 95840, US), I. quiririensis (Pereira 635, UPCB), I. maxima (Pereira 631, UPCB). A-B Details of the macrosculpture of the megaspore of I. nana A Proximal view B Distal view C Details of the microsculpture of the megaspore of I. nana in distal view showing the terminal ends of anastomosed bars joined forming bacillae or more rarely echinulae D-E Details of the macrosculpture of the megaspore of I. weberi D Proximal view E Distal view F Details of the microsculpture of the megaspore of I. weberi in distal view showing the terminal ends of anastomosed bars joined forming echinulae G-H Details of the macrosculpture of the megaspore of I. quiririensis G Proximal view H Distal view I Details of the microsculpture of the megaspore of I. quiririensis in distal view showing the terminal ends of anastomosed bars joined forming echinulae or rarely bacillae J-K Details of the macrosculpture of the megaspore of I. maxima J Proximal view K Distal view L Details of the microsculpture of the megaspore of I. maxima in distal view showing the terminal ends of anastomosed bars joined forming bacillae. Scale bars: A, B, D, E, G, H, J, K = 10 µm; C, F, I, L = 1 µm." figureDoi="10.3897/phytokeys.89.20171.figure7" httpUri="https://binary.pensoft.net/fig/166435" pageId="5" pageNumber="96">7D-F</figureCitation>
|
||
and
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. SEM images of the microspore of Isoetes weberi (Herter 95840, US), I. quiririensis (Pereira 635, UPCB), I. maxima (Pereira 631, UPCB). A-C Microspore of I. weberi A Proximal view B Equatorial view C Distal view D-F Microspore of I. quiririensis D Proximal view E Equatorial view F Distal view G-I Microspore of I. maxima G Proximal view H Equatorial view I Distal view. All scale bars = 2 µm." figureDoi="10.3897/phytokeys.89.20171.figure8" httpUri="https://binary.pensoft.net/fig/166437" pageId="5" pageNumber="96">8A-C</figureCitation>
|
||
),
|
||
<taxonomicName lsidName="I. quiririensis" pageId="5" pageNumber="96" rank="species" species="quiririensis">
|
||
<emphasis italics="true" pageId="5" pageNumber="96">I. quiririensis</emphasis>
|
||
</taxonomicName>
|
||
J.B.S. Pereira & Labiak (Figures
|
||
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. SEM images of the megaspore of Isoetes weberi (Herter 95840, US), I. quiririensis (Pereira 635, UPCB), I. maxima (Pereira 631, UPCB). A-C Megaspore of I. weberi A Proximal view B Distal view C Equatorial view D-F Megaspore of I. quiririensis D Proximal view E Distal view F Equatorial view G-I Megaspore of I. maxima J Proximal view K Distal view L Equatorial view. All scale bars = 100 µm." figureDoi="10.3897/phytokeys.89.20171.figure6" httpUri="https://binary.pensoft.net/fig/166434" pageId="5" pageNumber="96">6D-F</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. SEM images of the megaspore of Isoetes nana (Ule 98, G), I. weberi (Herter 95840, US), I. quiririensis (Pereira 635, UPCB), I. maxima (Pereira 631, UPCB). A-B Details of the macrosculpture of the megaspore of I. nana A Proximal view B Distal view C Details of the microsculpture of the megaspore of I. nana in distal view showing the terminal ends of anastomosed bars joined forming bacillae or more rarely echinulae D-E Details of the macrosculpture of the megaspore of I. weberi D Proximal view E Distal view F Details of the microsculpture of the megaspore of I. weberi in distal view showing the terminal ends of anastomosed bars joined forming echinulae G-H Details of the macrosculpture of the megaspore of I. quiririensis G Proximal view H Distal view I Details of the microsculpture of the megaspore of I. quiririensis in distal view showing the terminal ends of anastomosed bars joined forming echinulae or rarely bacillae J-K Details of the macrosculpture of the megaspore of I. maxima J Proximal view K Distal view L Details of the microsculpture of the megaspore of I. maxima in distal view showing the terminal ends of anastomosed bars joined forming bacillae. Scale bars: A, B, D, E, G, H, J, K = 10 µm; C, F, I, L = 1 µm." figureDoi="10.3897/phytokeys.89.20171.figure7" httpUri="https://binary.pensoft.net/fig/166435" pageId="5" pageNumber="96">7G-I</figureCitation>
|
||
and
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. SEM images of the microspore of Isoetes weberi (Herter 95840, US), I. quiririensis (Pereira 635, UPCB), I. maxima (Pereira 631, UPCB). A-C Microspore of I. weberi A Proximal view B Equatorial view C Distal view D-F Microspore of I. quiririensis D Proximal view E Equatorial view F Distal view G-I Microspore of I. maxima G Proximal view H Equatorial view I Distal view. All scale bars = 2 µm." figureDoi="10.3897/phytokeys.89.20171.figure8" httpUri="https://binary.pensoft.net/fig/166437" pageId="5" pageNumber="96">8D-F</figureCitation>
|
||
) and
|
||
<taxonomicName lsidName="I. maxima" pageId="5" pageNumber="96" rank="species" species="maxima">
|
||
<emphasis italics="true" pageId="5" pageNumber="96">I. maxima</emphasis>
|
||
</taxonomicName>
|
||
Hickey, Macluf &
|
||
<normalizedToken originalValue="Link-Pérez">Link-Perez</normalizedToken>
|
||
(Figures
|
||
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. SEM images of the megaspore of Isoetes weberi (Herter 95840, US), I. quiririensis (Pereira 635, UPCB), I. maxima (Pereira 631, UPCB). A-C Megaspore of I. weberi A Proximal view B Distal view C Equatorial view D-F Megaspore of I. quiririensis D Proximal view E Distal view F Equatorial view G-I Megaspore of I. maxima J Proximal view K Distal view L Equatorial view. All scale bars = 100 µm." figureDoi="10.3897/phytokeys.89.20171.figure6" httpUri="https://binary.pensoft.net/fig/166434" pageId="5" pageNumber="96">6G-I</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. SEM images of the megaspore of Isoetes nana (Ule 98, G), I. weberi (Herter 95840, US), I. quiririensis (Pereira 635, UPCB), I. maxima (Pereira 631, UPCB). A-B Details of the macrosculpture of the megaspore of I. nana A Proximal view B Distal view C Details of the microsculpture of the megaspore of I. nana in distal view showing the terminal ends of anastomosed bars joined forming bacillae or more rarely echinulae D-E Details of the macrosculpture of the megaspore of I. weberi D Proximal view E Distal view F Details of the microsculpture of the megaspore of I. weberi in distal view showing the terminal ends of anastomosed bars joined forming echinulae G-H Details of the macrosculpture of the megaspore of I. quiririensis G Proximal view H Distal view I Details of the microsculpture of the megaspore of I. quiririensis in distal view showing the terminal ends of anastomosed bars joined forming echinulae or rarely bacillae J-K Details of the macrosculpture of the megaspore of I. maxima J Proximal view K Distal view L Details of the microsculpture of the megaspore of I. maxima in distal view showing the terminal ends of anastomosed bars joined forming bacillae. Scale bars: A, B, D, E, G, H, J, K = 10 µm; C, F, I, L = 1 µm." figureDoi="10.3897/phytokeys.89.20171.figure7" httpUri="https://binary.pensoft.net/fig/166435" pageId="5" pageNumber="96">7J-L</figureCitation>
|
||
and
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. SEM images of the microspore of Isoetes weberi (Herter 95840, US), I. quiririensis (Pereira 635, UPCB), I. maxima (Pereira 631, UPCB). A-C Microspore of I. weberi A Proximal view B Equatorial view C Distal view D-F Microspore of I. quiririensis D Proximal view E Equatorial view F Distal view G-I Microspore of I. maxima G Proximal view H Equatorial view I Distal view. All scale bars = 2 µm." figureDoi="10.3897/phytokeys.89.20171.figure8" httpUri="https://binary.pensoft.net/fig/166437" pageId="5" pageNumber="96">8G-I</figureCitation>
|
||
).
|
||
<taxonomicName authorityName="J. B. S. Pereira" authorityYear="2017" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes nana" order="Isoetales" pageId="5" pageNumber="96" phylum="Lycopodiophyta" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="5" pageNumber="96">Isoetes nana</emphasis>
|
||
</taxonomicName>
|
||
can be distinguished by the characters shown in the following taxonomic key and in Tables
|
||
<tableCitation captionStart="Table 1" captionStartId="T1" captionText="Table 1. Comparison of morphological characters of the Isoetes species analysed in this study." httpUri="http://table.plazi.org/id/3517DE7988B4073E26B91EAC100FEC49" pageId="5" pageNumber="96" tableUuid="3517DE7988B4073E26B91EAC100FEC49">1</tableCitation>
|
||
and
|
||
<tableCitation captionStart="Table 2" captionStartId="T2" captionText="Table 2. Comparison of characters of mega- and microspores and chromosome number of Isoetes species analysed in this study." httpUri="http://table.plazi.org/id/E9AF821824D4BEC3B8788C13C26168A0" pageId="5" pageNumber="96" tableUuid="E9AF821824D4BEC3B8788C13C26168A0">2</tableCitation>
|
||
. Furthermore, although the microsculpture of the megaspore seems to be a reliable source of taxonomic characters and it has been widely used to separate species in
|
||
<taxonomicName class="Lycopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="Selaginella" order="Selaginellales" pageId="5" pageNumber="96" phylum="Lycophyta" rank="genus">
|
||
<emphasis italics="true" pageId="5" pageNumber="96">Selaginella</emphasis>
|
||
</taxonomicName>
|
||
(
|
||
<bibRefCitation author="Schulz, C" journalOrPublisher="Systematic Botany" pageId="11" pageNumber="102" pagination="5 - 14" publicationUrl="http://www.bioone.org/doi/full/10.1600/036364413X661935" refId="B16" refString="Schulz, C, Homberg, J, Stuetzel, T, 2013. Taxonomic revision of Selaginella subg. Ericetorum. Systematic Botany 38 (1): 5 - 14, http://www.bioone.org/doi/full/10.1600/036364413X661935" title="Taxonomic revision of Selaginella subg. Ericetorum." url="http://www.bioone.org/doi/full/10.1600/036364413X661935" volume="38" year="2013">Schulz et al. 2013</bibRefCitation>
|
||
;
|
||
<bibRefCitation DOI="http://dx.doi.org/10.1640/0002-8444-106.2.55.1" author="Bauer, DS" journalOrPublisher="American Fern Journal" pageId="10" pageNumber="101" pagination="55 - 86" refId="B1" refString="Bauer, DS, Prado, J, Trovo, M, Coan, AI, Stuetzel, T, Schulz, C, 2016. Megaspore investigations of Selaginella species from Sao Paulo, Brazil. American Fern Journal 106 (2): 55 - 86, DOI: http://dx.doi.org/10.1640/0002-8444-106.2.55.1" title="Megaspore investigations of Selaginella species from Sao Paulo, Brazil." url="http://dx.doi.org/10.1640/0002-8444-106.2.55.1" volume="106" year="2016">Bauer et al. 2016</bibRefCitation>
|
||
), the megaspore microsculpture in
|
||
<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes" order="Isoetales" pageId="5" pageNumber="96" phylum="Lycopodiophyta" rank="genus">
|
||
<emphasis italics="true" pageId="5" pageNumber="96">Isoetes</emphasis>
|
||
</taxonomicName>
|
||
is rarely studied and used in the taxonomy (but see
|
||
<bibRefCitation DOI="https://doi.org/10.1016/S0034-6667(03)00086-1" author="Macluf, CC" journalOrPublisher="Review of Palaeobotany and Palynology" pageId="10" pageNumber="101" pagination="197 - 209" refId="B8" refString="Macluf, CC, Morbelli, MA, Giudice, GE, 2003. Morphology and ultrastructure of megaspores and microspores of Isoetes savatieri Franchet (Lycophyta). Review of Palaeobotany and Palynology 126: 197 - 209, DOI: https://doi.org/10.1016/S0034-6667(03)00086-1" title="Morphology and ultrastructure of megaspores and microspores of Isoetes savatieri Franchet (Lycophyta)." url="https://doi.org/10.1016/S0034-6667(03)00086-1" volume="126" year="2003">Macluf et al. 2003</bibRefCitation>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.1080/00173134.2011.637131" author="Troia, A" journalOrPublisher="Grana" pageId="11" pageNumber="102" pagination="35 - 43" refId="B23" refString="Troia, A, Bazan, G, Schicchi, R, 2012. Micromorphological approach to the systematics of Mediterranean Isoetes species (Isoetaceae, Lycopodiophyta): Analysis of the megaspore surface. Grana 51: 35 - 43, DOI: https://doi.org/10.1080/00173134.2011.637131" title="Micromorphological approach to the systematics of Mediterranean Isoetes species (Isoetaceae, Lycopodiophyta): Analysis of the megaspore surface." url="https://doi.org/10.1080/00173134.2011.637131" volume="51" year="2012">Troia et al. 2012</bibRefCitation>
|
||
;
|
||
<bibRefCitation author="Schafran, PW" journalOrPublisher="PhytoKeys" pageId="11" pageNumber="102" pagination="97 - 106" publicationUrl="10.3897/phytokeys.74.10380" refId="B15" refString="Schafran, PW, Leonard, SW, Bray, RD, Taylor, WC, Musselman, LJ, 2016. Isoetes mississippiensis: A new quillwort from Mississippi, USA. PhytoKeys 74: 97 - 106, DOI: 10.3897/phytokeys.74.10380" title="Isoetes mississippiensis: A new quillwort from Mississippi, USA." url="10.3897/phytokeys.74.10380" volume="74" year="2016">Schafran et al. 2016</bibRefCitation>
|
||
). We observed that the microsculpture of the proximal-distal surfaces of the megaspores of
|
||
<taxonomicName lsidName="I. nana" pageId="5" pageNumber="96" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="5" pageNumber="96">I. nana</emphasis>
|
||
</taxonomicName>
|
||
consists of anastomosed bars, whose terminal ends are joined forming bacillae or more rarely echinulae (Figure
|
||
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. SEM images of the megaspore of Isoetes nana (Ule 98, G), I. weberi (Herter 95840, US), I. quiririensis (Pereira 635, UPCB), I. maxima (Pereira 631, UPCB). A-B Details of the macrosculpture of the megaspore of I. nana A Proximal view B Distal view C Details of the microsculpture of the megaspore of I. nana in distal view showing the terminal ends of anastomosed bars joined forming bacillae or more rarely echinulae D-E Details of the macrosculpture of the megaspore of I. weberi D Proximal view E Distal view F Details of the microsculpture of the megaspore of I. weberi in distal view showing the terminal ends of anastomosed bars joined forming echinulae G-H Details of the macrosculpture of the megaspore of I. quiririensis G Proximal view H Distal view I Details of the microsculpture of the megaspore of I. quiririensis in distal view showing the terminal ends of anastomosed bars joined forming echinulae or rarely bacillae J-K Details of the macrosculpture of the megaspore of I. maxima J Proximal view K Distal view L Details of the microsculpture of the megaspore of I. maxima in distal view showing the terminal ends of anastomosed bars joined forming bacillae. Scale bars: A, B, D, E, G, H, J, K = 10 µm; C, F, I, L = 1 µm." figureDoi="10.3897/phytokeys.89.20171.figure7" httpUri="https://binary.pensoft.net/fig/166435" pageId="5" pageNumber="96">7C</figureCitation>
|
||
). Amongst the analysed species, only
|
||
<taxonomicName lsidName="I. maxima" pageId="5" pageNumber="96" rank="species" species="maxima">
|
||
<emphasis italics="true" pageId="5" pageNumber="96">I. maxima</emphasis>
|
||
</taxonomicName>
|
||
shows a similar microsculpture pattern (Figure
|
||
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. SEM images of the megaspore of Isoetes nana (Ule 98, G), I. weberi (Herter 95840, US), I. quiririensis (Pereira 635, UPCB), I. maxima (Pereira 631, UPCB). A-B Details of the macrosculpture of the megaspore of I. nana A Proximal view B Distal view C Details of the microsculpture of the megaspore of I. nana in distal view showing the terminal ends of anastomosed bars joined forming bacillae or more rarely echinulae D-E Details of the macrosculpture of the megaspore of I. weberi D Proximal view E Distal view F Details of the microsculpture of the megaspore of I. weberi in distal view showing the terminal ends of anastomosed bars joined forming echinulae G-H Details of the macrosculpture of the megaspore of I. quiririensis G Proximal view H Distal view I Details of the microsculpture of the megaspore of I. quiririensis in distal view showing the terminal ends of anastomosed bars joined forming echinulae or rarely bacillae J-K Details of the macrosculpture of the megaspore of I. maxima J Proximal view K Distal view L Details of the microsculpture of the megaspore of I. maxima in distal view showing the terminal ends of anastomosed bars joined forming bacillae. Scale bars: A, B, D, E, G, H, J, K = 10 µm; C, F, I, L = 1 µm." figureDoi="10.3897/phytokeys.89.20171.figure7" httpUri="https://binary.pensoft.net/fig/166435" pageId="5" pageNumber="96">7L</figureCitation>
|
||
), while all remaining species present terminal ends of anastomosed bars joined forming echinulae (or more rarely bacillae in
|
||
<taxonomicName lsidName="I. quiririensis" pageId="5" pageNumber="96" rank="species" species="quiririensis">
|
||
<emphasis italics="true" pageId="5" pageNumber="96">I. quiririensis</emphasis>
|
||
</taxonomicName>
|
||
) (Figures
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. SEM images of the megaspore of Isoetes ulei (Ule 3533, HBG), I. martii (Pereira 726, UPCB) and I. xg oebelii (Pereira 718, UPCB). A-B Details of the macrosculpture of the megaspore of I. ulei A Proximal view B Distal view C Details of the microsculpture of the megaspore of I. ulei in distal view showing the terminal ends of anastomosed bars joined forming echinulae D-E Details of the macrosculpture of the megaspore of martii D Proximal view. E. Distal view F Details of the microsculpture of the megaspore of martii in distal view showing the terminal ends of anastomosed bars joined forming echinulae G-H Details of the macrosculpture of the megaspore of I. x goebelii G Proximal view H Distal view I Details of the microsculpture of the megaspore of I. x goebelii in distal view showing the terminal ends of anastomosed bars joined forming echinulae. Scale bars: A, B, D, E, G, H = 10 µm; C, F, I = 1 µm." figureDoi="10.3897/phytokeys.89.20171.figure4" httpUri="https://binary.pensoft.net/fig/166431" pageId="5" pageNumber="96">4C, F, I</figureCitation>
|
||
and
|
||
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. SEM images of the megaspore of Isoetes nana (Ule 98, G), I. weberi (Herter 95840, US), I. quiririensis (Pereira 635, UPCB), I. maxima (Pereira 631, UPCB). A-B Details of the macrosculpture of the megaspore of I. nana A Proximal view B Distal view C Details of the microsculpture of the megaspore of I. nana in distal view showing the terminal ends of anastomosed bars joined forming bacillae or more rarely echinulae D-E Details of the macrosculpture of the megaspore of I. weberi D Proximal view E Distal view F Details of the microsculpture of the megaspore of I. weberi in distal view showing the terminal ends of anastomosed bars joined forming echinulae G-H Details of the macrosculpture of the megaspore of I. quiririensis G Proximal view H Distal view I Details of the microsculpture of the megaspore of I. quiririensis in distal view showing the terminal ends of anastomosed bars joined forming echinulae or rarely bacillae J-K Details of the macrosculpture of the megaspore of I. maxima J Proximal view K Distal view L Details of the microsculpture of the megaspore of I. maxima in distal view showing the terminal ends of anastomosed bars joined forming bacillae. Scale bars: A, B, D, E, G, H, J, K = 10 µm; C, F, I, L = 1 µm." figureDoi="10.3897/phytokeys.89.20171.figure7" httpUri="https://binary.pensoft.net/fig/166435" pageId="5" pageNumber="96">7F, I</figureCitation>
|
||
).
|
||
<pageBreakToken pageId="6" pageNumber="97" start="start">These</pageBreakToken>
|
||
data show that megaspore microsculpture may provide useful characters not only to identify
|
||
<taxonomicName lsidName="I. nana" pageId="6" pageNumber="97" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. nana</emphasis>
|
||
</taxonomicName>
|
||
, but also for the taxonomy of Brazilian
|
||
<taxonomicName class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes" order="Isoetales" pageId="6" pageNumber="97" phylum="Lycopodiophyta" rank="genus">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">Isoetes</emphasis>
|
||
</taxonomicName>
|
||
.
|
||
</paragraph>
|
||
<caption ID-Zenodo-Dep="1138277" doi="10.3897/phytokeys.89.20171.figure6" httpUri="https://binary.pensoft.net/fig/166434" pageId="6" pageNumber="97" start="Figure 6" startId="F6">
|
||
<paragraph pageId="6" pageNumber="97">
|
||
<emphasis bold="true" pageId="6" pageNumber="97">Figure 6.</emphasis>
|
||
SEM images of the megaspore of
|
||
<taxonomicName authorityName="Herter ex Weber" authorityYear="1922" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes weberi" order="Isoetales" pageId="6" pageNumber="97" phylum="Lycopodiophyta" rank="species" species="weberi">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">Isoetes weberi</emphasis>
|
||
</taxonomicName>
|
||
(Herter 95840, US),
|
||
<taxonomicName lsidName="I. quiririensis" pageId="6" pageNumber="97" rank="species" species="quiririensis">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. quiririensis</emphasis>
|
||
</taxonomicName>
|
||
(Pereira 635, UPCB),
|
||
<taxonomicName lsidName="I. maxima" pageId="6" pageNumber="97" rank="species" species="maxima">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. maxima</emphasis>
|
||
</taxonomicName>
|
||
(Pereira 631, UPCB).
|
||
<emphasis bold="true" pageId="6" pageNumber="97">A-C</emphasis>
|
||
Megaspore of
|
||
<taxonomicName lsidName="I. weberi" pageId="6" pageNumber="97" rank="species" species="weberi">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. weberi</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="6" pageNumber="97">A</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">B</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">C</emphasis>
|
||
Equatorial view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">D-F</emphasis>
|
||
Megaspore of
|
||
<taxonomicName lsidName="I. quiririensis" pageId="6" pageNumber="97" rank="species" species="quiririensis">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. quiririensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="6" pageNumber="97">D</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">E</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">F</emphasis>
|
||
Equatorial view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">G-I</emphasis>
|
||
Megaspore of
|
||
<taxonomicName lsidName="I. maxima" pageId="6" pageNumber="97" rank="species" species="maxima">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. maxima</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="6" pageNumber="97">J</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">K</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">L</emphasis>
|
||
Equatorial view. All scale bars = 100
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-Zenodo-Dep="1138279" doi="10.3897/phytokeys.89.20171.figure7" httpUri="https://binary.pensoft.net/fig/166435" pageId="6" pageNumber="97" start="Figure 7" startId="F7">
|
||
<paragraph pageId="6" pageNumber="97">
|
||
<emphasis bold="true" pageId="6" pageNumber="97">Figure 7.</emphasis>
|
||
SEM images of the megaspore of
|
||
<taxonomicName authorityName="J. B. S. Pereira" authorityYear="2017" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes nana" order="Isoetales" pageId="6" pageNumber="97" phylum="Lycopodiophyta" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">Isoetes nana</emphasis>
|
||
</taxonomicName>
|
||
(Ule 98, G),
|
||
<taxonomicName lsidName="I. weberi" pageId="6" pageNumber="97" rank="species" species="weberi">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. weberi</emphasis>
|
||
</taxonomicName>
|
||
(Herter 95840, US),
|
||
<taxonomicName lsidName="I. quiririensis" pageId="6" pageNumber="97" rank="species" species="quiririensis">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. quiririensis</emphasis>
|
||
</taxonomicName>
|
||
(Pereira 635, UPCB),
|
||
<taxonomicName lsidName="I. maxima" pageId="6" pageNumber="97" rank="species" species="maxima">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. maxima</emphasis>
|
||
</taxonomicName>
|
||
(Pereira 631, UPCB).
|
||
<emphasis bold="true" pageId="6" pageNumber="97">A-B</emphasis>
|
||
Details of the macrosculpture of the megaspore of
|
||
<taxonomicName lsidName="I. nana" pageId="6" pageNumber="97" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. nana</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="6" pageNumber="97">A</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">B</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">C</emphasis>
|
||
Details of the microsculpture of the megaspore of
|
||
<taxonomicName lsidName="I. nana" pageId="6" pageNumber="97" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. nana</emphasis>
|
||
</taxonomicName>
|
||
in distal view showing the terminal ends of anastomosed bars joined forming bacillae or more rarely echinulae
|
||
<emphasis bold="true" pageId="6" pageNumber="97">D-E</emphasis>
|
||
Details of the macrosculpture of the megaspore of
|
||
<taxonomicName lsidName="I. weberi" pageId="6" pageNumber="97" rank="species" species="weberi">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. weberi</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="6" pageNumber="97">D</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">E</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">F</emphasis>
|
||
Details of the microsculpture of the megaspore of
|
||
<taxonomicName lsidName="I. weberi" pageId="6" pageNumber="97" rank="species" species="weberi">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. weberi</emphasis>
|
||
</taxonomicName>
|
||
in distal view showing the terminal ends of anastomosed bars joined forming echinulae
|
||
<emphasis bold="true" pageId="6" pageNumber="97">G-H</emphasis>
|
||
Details of the macrosculpture of the megaspore of
|
||
<taxonomicName lsidName="I. quiririensis" pageId="6" pageNumber="97" rank="species" species="quiririensis">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. quiririensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="6" pageNumber="97">G</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">H</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">I</emphasis>
|
||
Details of the microsculpture of the megaspore of
|
||
<taxonomicName lsidName="I. quiririensis" pageId="6" pageNumber="97" rank="species" species="quiririensis">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. quiririensis</emphasis>
|
||
</taxonomicName>
|
||
in distal view showing the terminal ends of anastomosed bars joined forming echinulae or rarely bacillae
|
||
<emphasis bold="true" pageId="6" pageNumber="97">J-K</emphasis>
|
||
Details of the macrosculpture of the megaspore of
|
||
<taxonomicName lsidName="I. maxima" pageId="6" pageNumber="97" rank="species" species="maxima">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. maxima</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="6" pageNumber="97">J</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">K</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">L</emphasis>
|
||
Details of the microsculpture of the megaspore of
|
||
<taxonomicName lsidName="I. maxima" pageId="6" pageNumber="97" rank="species" species="maxima">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. maxima</emphasis>
|
||
</taxonomicName>
|
||
in distal view showing the terminal ends of anastomosed bars joined forming bacillae. Scale bars:
|
||
<emphasis bold="true" pageId="6" pageNumber="97">A, B, D, E, G, H, J, K</emphasis>
|
||
= 10
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
;
|
||
<emphasis bold="true" pageId="6" pageNumber="97">C, F, I, L</emphasis>
|
||
= 1
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-Zenodo-Dep="1138281" doi="10.3897/phytokeys.89.20171.figure8" httpUri="https://binary.pensoft.net/fig/166437" pageId="6" pageNumber="97" start="Figure 8" startId="F8">
|
||
<paragraph pageId="6" pageNumber="97">
|
||
<emphasis bold="true" pageId="6" pageNumber="97">Figure 8.</emphasis>
|
||
SEM images of the microspore of
|
||
<taxonomicName authorityName="Herter ex Weber" authorityYear="1922" class="Lycopodiopsida" family="Isoetaceae" genus="Isoetes" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Isoetes weberi" order="Isoetales" pageId="6" pageNumber="97" phylum="Lycopodiophyta" rank="species" species="weberi">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">Isoetes weberi</emphasis>
|
||
</taxonomicName>
|
||
(Herter 95840, US),
|
||
<taxonomicName lsidName="I. quiririensis" pageId="6" pageNumber="97" rank="species" species="quiririensis">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. quiririensis</emphasis>
|
||
</taxonomicName>
|
||
(Pereira 635, UPCB),
|
||
<taxonomicName lsidName="I. maxima" pageId="6" pageNumber="97" rank="species" species="maxima">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. maxima</emphasis>
|
||
</taxonomicName>
|
||
(Pereira 631, UPCB).
|
||
<emphasis bold="true" pageId="6" pageNumber="97">A-C</emphasis>
|
||
Microspore of
|
||
<taxonomicName lsidName="I. weberi" pageId="6" pageNumber="97" rank="species" species="weberi">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. weberi</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="6" pageNumber="97">A</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">B</emphasis>
|
||
Equatorial view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">C</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">D-F</emphasis>
|
||
Microspore of
|
||
<taxonomicName lsidName="I. quiririensis" pageId="6" pageNumber="97" rank="species" species="quiririensis">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. quiririensis</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="6" pageNumber="97">D</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">E</emphasis>
|
||
Equatorial view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">F</emphasis>
|
||
Distal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">G-I</emphasis>
|
||
Microspore of
|
||
<taxonomicName lsidName="I. maxima" pageId="6" pageNumber="97" rank="species" species="maxima">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. maxima</emphasis>
|
||
</taxonomicName>
|
||
<emphasis bold="true" pageId="6" pageNumber="97">G</emphasis>
|
||
Proximal view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">H</emphasis>
|
||
Equatorial view
|
||
<emphasis bold="true" pageId="6" pageNumber="97">I</emphasis>
|
||
Distal view. All scale bars = 2
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph pageId="6" pageNumber="97">
|
||
Since there is a correlation between spore sizes and ploidy level (Kott and Britton 1980;
|
||
<bibRefCitation DOI="https://doi.org/10.1080/00837792.2001.10670712" author="Troia, A" journalOrPublisher="Webbia" pageId="11" pageNumber="102" pagination="201 - 218" refId="B22" refString="Troia, A, 2001. The genus Isoetes L. (Lycophyta, Isoetaceae): synthesis of karyological data. Webbia 56 (1): 201 - 218, DOI: https://doi.org/10.1080/00837792.2001.10670712" title="The genus Isoetes L. (Lycophyta, Isoetaceae): synthesis of karyological data." url="https://doi.org/10.1080/00837792.2001.10670712" volume="56" year="2001">Troia 2001</bibRefCitation>
|
||
;
|
||
<bibRefCitation DOI="https://doi.org/10.1640/0002-8444-105.3.226" author="Pereira, JBS" journalOrPublisher="American Fern Journal" pageId="10" pageNumber="101" pagination="226 - 237" refId="B10" refString="Pereira, JBS, Mittelbach, M, Labiak, PH, 2015. Studies on chromosome numbers and spore size in Brazilian Isoetes. American Fern Journal 105 (3): 226 - 237, DOI: https://doi.org/10.1640/0002-8444-105.3.226" title="Studies on chromosome numbers and spore size in Brazilian Isoetes." url="https://doi.org/10.1640/0002-8444-105.3.226" volume="105" year="2015">Pereira et al. 2015</bibRefCitation>
|
||
) and
|
||
<taxonomicName lsidName="I. nana" pageId="6" pageNumber="97" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. nana</emphasis>
|
||
</taxonomicName>
|
||
presents mega- and microspore sizes that are similar to those of the diploids
|
||
<taxonomicName lsidName="I. quiririensis" pageId="6" pageNumber="97" rank="species" species="quiririensis">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. quiririensis</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName lsidName="I. maxima" pageId="6" pageNumber="97" rank="species" species="maxima">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. maxima</emphasis>
|
||
</taxonomicName>
|
||
(Table
|
||
<tableCitation captionStart="Table 2" captionStartId="T2" captionText="Table 2. Comparison of characters of mega- and microspores and chromosome number of Isoetes species analysed in this study." httpUri="http://table.plazi.org/id/E9AF821824D4BEC3B8788C13C26168A0" pageId="6" pageNumber="97" tableUuid="E9AF821824D4BEC3B8788C13C26168A0">2</tableCitation>
|
||
), we hypothesise that
|
||
<taxonomicName lsidName="I. nana" pageId="6" pageNumber="97" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. nana</emphasis>
|
||
</taxonomicName>
|
||
is also diploid.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="7" lastPageNumber="98" pageId="6" pageNumber="97" type="conservation status">
|
||
<paragraph pageId="6" pageNumber="97">Conservation status.</paragraph>
|
||
<paragraph lastPageId="7" lastPageNumber="98" pageId="6" pageNumber="97">
|
||
Since
|
||
<taxonomicName lsidName="I. nana" pageId="6" pageNumber="97" rank="species" species="nana">
|
||
<emphasis italics="true" pageId="6" pageNumber="97">I. nana</emphasis>
|
||
</taxonomicName>
|
||
is currently known from a single (not recently confirmed) locality, it may deserve special attention concerning its conservation status.
|
||
<pageBreakToken pageId="7" pageNumber="98" start="start">However</pageBreakToken>
|
||
, based on our current knowledge on this species and according to IUCN Red List criteria (
|
||
<bibRefCitation author="IUCN" journalOrPublisher="IUCN, Gland, Switzerland and Cambridge, UK" pageId="10" pageNumber="101" publicationUrl="http://www.iucnredlist.org/technical-documents/categories-and-criteria" refId="B6" refString="IUCN, 2012. IUCN Red List Categories and Criteria: Version 3.1. Second edition. IUCN, Gland, Switzerland and Cambridge, UK, http://www.iucnredlist.org/technical-documents/categories-and-criteria" title="IUCN Red List Categories and Criteria: Version 3.1. Second edition." url="http://www.iucnredlist.org/technical-documents/categories-and-criteria" year="2012">IUCN 2012</bibRefCitation>
|
||
), it is assessed here as data deficient (DD).
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |