371 lines
39 KiB
XML
371 lines
39 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.57.6489" ID-PMC="PMC4698516" ID-Pensoft-Pub="1314-2003-57-93" ID-Pensoft-UUID="FFE6FF86AC41FFF6FFCE3235FFCFFFFD" ID-PubMed="26752963" ID-Zenodo-Dep="576334" ModsDocID="1314-2003-57-93" checkinTime="1451251338037" checkinUser="pensoft" docAuthor="Valdespino, Ivan A." docDate="2015" docId="CF6F38F0948E6C1E06B1ACA09AA8F2FD" docLanguage="en" docName="PhytoKeys 57: 93-133" docOrigin="PhytoKeys 57" docPubDate="2015-12-15" docSource="http://dx.doi.org/10.3897/phytokeys.57.6489" docTitle="Selaginella stomatoloma Valdespino 2015, sp. nov." docType="treatment" docVersion="7" id="FFE6FF86AC41FFF6FFCE3235FFCFFFFD" lastPageNumber="103" masterDocId="FFE6FF86AC41FFF6FFCE3235FFCFFFFD" masterDocTitle="Novelties in Selaginella (Selaginellaceae - Lycopodiophyta), with emphasis on Brazilian species" masterLastPageNumber="133" masterPageNumber="93" pageNumber="100" updateTime="1668141485647" updateUser="ExternalLinkService">
|
||
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
||
<mods:titleInfo>
|
||
<mods:title>Novelties in Selaginella (Selaginellaceae - Lycopodiophyta), with emphasis on Brazilian species</mods:title>
|
||
</mods:titleInfo>
|
||
<mods:name type="personal">
|
||
<mods:role>
|
||
<mods:roleTerm>Author</mods:roleTerm>
|
||
</mods:role>
|
||
<mods:namePart>Valdespino, Ivan A.</mods:namePart>
|
||
<mods:affiliation>Departamento de Botanica, Facultad de Ciencias Naturales, Exactas y Tecnologia, Universidad de Panama, Apartado Postal 0824 - 00073, Panama</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>2015</mods:date>
|
||
<mods:detail type="pubDate">
|
||
<mods:number>2015-12-15</mods:number>
|
||
</mods:detail>
|
||
<mods:detail type="volume">
|
||
<mods:number>57</mods:number>
|
||
</mods:detail>
|
||
<mods:extent unit="page">
|
||
<mods:start>93</mods:start>
|
||
<mods:end>133</mods:end>
|
||
</mods:extent>
|
||
</mods:part>
|
||
</mods:relatedItem>
|
||
<mods:location>
|
||
<mods:url>http://dx.doi.org/10.3897/phytokeys.57.6489</mods:url>
|
||
</mods:location>
|
||
<mods:classification>journal article</mods:classification>
|
||
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.57.6489</mods:identifier>
|
||
<mods:identifier type="Pensoft-Pub">1314-2003-57-93</mods:identifier>
|
||
<mods:identifier type="Pensoft-UUID">FFE6FF86AC41FFF6FFCE3235FFCFFFFD</mods:identifier>
|
||
<mods:identifier type="Zenodo-Dep">576334</mods:identifier>
|
||
</mods:mods>
|
||
<treatment ID-GBIF-Taxon="127857587" LSID="urn:lsid:plazi:treatment:CF6F38F0948E6C1E06B1ACA09AA8F2FD" httpUri="http://treatment.plazi.org/id/CF6F38F0948E6C1E06B1ACA09AA8F2FD" lastPageId="10" lastPageNumber="103" pageId="7" pageNumber="100">
|
||
<subSubSection pageId="7" pageNumber="100" type="nomenclature">
|
||
<paragraph pageId="7" pageNumber="100">
|
||
<taxonomicName LSID="CF6F38F0-948E-6C1E-06B1-ACA09AA8F2FD" authority="Valdespino" authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella stomatoloma" order="Selaginellales" pageId="7" pageNumber="100" phylum="Lycopodiophyta" rank="species" species="stomatoloma" status="sp. nov.">Selaginella stomatoloma Valdespino</taxonomicName>
|
||
<taxonomicNameLabel pageId="7" pageNumber="100">sp. nov.</taxonomicNameLabel>
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Selaginella stomatoloma Valdespino. A Section of upper surface of stem B Upper surface of median leaf C Close-up of base and proximal portion of median leaf, upper surface; note marginal (a) and submarginal stomata (b) D Close-up of proximal portion and apex of median leaf, upper surface; note marginal (a) and submarginal (b) stomata E Section of lower surface of stem F Lower surface of lateral leaf; note marginal stomata (a) G Close-up of base and proximal portion of lateral leaf, lower surface; note marginal (a) and submarginal (b) stomata H Upper surface of lateral leaf. A-H taken from the holotype, Almeida et al. 2518 (PMA)." figureDoi="10.3897/phytokeys.57.6489.figure10" httpUri="https://binary.pensoft.net/fig/69727" pageId="7" pageNumber="100">Figure 10</figureCitation>
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="8" pageNumber="101" type="diagnosis">
|
||
<paragraph pageId="8" pageNumber="101">
|
||
<pageBreakToken pageId="8" pageNumber="101" start="start">Diagnosis</pageBreakToken>
|
||
.
|
||
</paragraph>
|
||
<paragraph pageId="8" pageNumber="101">
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella stomatoloma" order="Selaginellales" pageId="8" pageNumber="101" phylum="Lycopodiophyta" rank="species" species="stomatoloma">
|
||
<emphasis italics="true" pageId="8" pageNumber="101">Selaginella stomatoloma</emphasis>
|
||
</taxonomicName>
|
||
differs from the recently described
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella saltuicola" order="Selaginellales" pageId="8" pageNumber="101" phylum="Lycopodiophyta" rank="species" species="saltuicola">
|
||
<emphasis italics="true" pageId="8" pageNumber="101">Selaginella saltuicola</emphasis>
|
||
</taxonomicName>
|
||
Valdespino by having the upper surfaces of the leaves with glabrous (vs. papillate) cells, the lateral leaf lower surfaces without (vs. with) papillate idioblasts and with marginal cells glabrous (vs. papillate), and acute (vs. rounded to broadly acute) apices, the median leaf margins comprising slightly elongate and glabrous (vs. strongly elongate and papillate) cells, these denticulate (vs. entire), with short-acuminate (vs. acute) apices, and upper surfaces with few submedial and submarginal stomata (vs. stomata throughout laminae).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="8" pageNumber="101" type="type">
|
||
<paragraph pageId="8" pageNumber="101">Type.</paragraph>
|
||
<paragraph pageId="8" pageNumber="101">
|
||
<emphasis bold="true" pageId="8" pageNumber="101">BRAZIL</emphasis>
|
||
.
|
||
<normalizedToken originalValue="Pará">Para</normalizedToken>
|
||
:
|
||
<normalizedToken originalValue="Canaã">Canaa</normalizedToken>
|
||
dos
|
||
<normalizedToken originalValue="Carajás">Carajas</normalizedToken>
|
||
, S11D, UTM-Zone 22M: 9293819 575625 [
|
||
<geoCoordinate degrees="06" direction="south" minutes="23" orientation="latitude" precision="15" seconds="08" value="-6.3855553">06°23'08"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="50" direction="west" minutes="18" orientation="longitude" precision="1" seconds="58.24" value="-50.316177">50°18'58.24"W</geoCoordinate>
|
||
], 31 Aug 2010,
|
||
<emphasis italics="true" pageId="8" pageNumber="101">T.E. Almeida et al. 2518</emphasis>
|
||
(holotype: PMA! [PMA103369]; isotype: BHCB [BHCB142524]-n.v.).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="9" lastPageNumber="102" pageId="8" pageNumber="101" type="description">
|
||
<paragraph pageId="8" pageNumber="101">Description.</paragraph>
|
||
<paragraph lastPageId="9" lastPageNumber="102" pageId="8" pageNumber="101">
|
||
<emphasis italics="true" pageId="8" pageNumber="101">Plants</emphasis>
|
||
epipetric.
|
||
<emphasis italics="true" pageId="8" pageNumber="101">Stems</emphasis>
|
||
decumbent to ascending, stramineous, 3-6 cm long, 0.2-0.5 mm diam., non-articulate, not flagelliform, stoloniferous, 1- or 2-branched.
|
||
<emphasis italics="true" pageId="8" pageNumber="101">Rhizophores</emphasis>
|
||
axillary, borne on proximal
|
||
<normalizedToken originalValue="¼-¾">1/4-3/4</normalizedToken>
|
||
of stems, filiform, 0.05 or 0.15 mm diam.
|
||
<emphasis italics="true" pageId="8" pageNumber="101">Leaves</emphasis>
|
||
heteromorphic throughout, membranaceous, both surfaces glabrous, upper surfaces green, lower surfaces silvery green.
|
||
<emphasis italics="true" pageId="8" pageNumber="101">Lateral leaves</emphasis>
|
||
spreading to ascending near branches and stem apices, ovate-elliptic to ovate-oblong, 1.5-2.0
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.8-0.9 mm; bases rounded, acroscopic bases slightly overlapping stems, basiscopic bases free from stems; margins greenish with the cells quadrangular, sinuate-walled, glabrous, mostly entire and denticulate near apices or denticulate throughout; apices acute and variously tipped by 1 or 2 teeth; both surfaces without idioblasts, upper surfaces comprising quadrangular to rounded, sinuate-walled, glabrous cells, with stomata submarginal, particularly on distal
|
||
<normalizedToken originalValue="½">1/2</normalizedToken>
|
||
and throughout margins, lower surfaces comprising elongate, sinuate-walled, glabrous cells, with stomata in 3-5 rows along midribs and throughout acroscopic halves of the laminae.
|
||
<emphasis italics="true" pageId="8" pageNumber="101">Median leaves</emphasis>
|
||
distant or imbricate near branches and stem apices, ascending, ovate-elliptic or elliptic, 0.7-1.1
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.3-0.6 mm; bases rounded to slightly oblique; margins greenish or narrowly hyaline in a band 2 or 3 cells wide, the cells slightly elongate, straight-walled and glabrous parallel to margins, denticulate throughout; apices short-acuminate, each acumen 0.05-1.05 mm, denticulate on upper surfaces, tipped by 1 or 2 teeth; both surfaces without idioblasts, upper surfaces comprising quadrangular to rounded, sinuate-walled, glabrous cells, with stomata in 1-3 rows along midribs, with a few submedial and submarginal
|
||
<pageBreakToken pageId="9" pageNumber="102" start="start">and</pageBreakToken>
|
||
throughout margins, lower surfaces comprising elongate, sinuate-walled cells, without stomata.
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Axillary leaves</emphasis>
|
||
similar to lateral leaves.
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Strobili</emphasis>
|
||
terminal on branch tips, quadrangular, 1.5-6.0 mm.
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Sporophylls</emphasis>
|
||
monomorphic, without a laminar flap, each with a strongly developed and seemingly entire or denticulate keel along midribs, ovate or the ventral ones broadly ovate, 0.9-1.2
|
||
<normalizedToken originalValue="×">x</normalizedToken>
|
||
0.4-0.7 mm; bases rounded; margins narrowly hyaline (less so on ventral sporophylls), denticulate; apices acute to short-acuminate, each acumen 0.05-0.1 mm with margins dentate and tipped by 1-2 teeth;
|
||
<emphasis italics="true" pageId="9" pageNumber="102">dorsal sporophylls</emphasis>
|
||
with upper surfaces green and cells as in median leaves, including stomata, lower surfaces greenish and comprising elongate, sinuate-walled cells;
|
||
<emphasis italics="true" pageId="9" pageNumber="102">ventral sporophylls</emphasis>
|
||
with both surfaces greenish, comprising elongate, sinuate-walled cells.
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Megasporangia</emphasis>
|
||
in 2 ventral rows or few and intermixed with microsporangia;
|
||
<emphasis italics="true" pageId="9" pageNumber="102">megaspores</emphasis>
|
||
yellow, mostly immature, rugulate-reticulate on proximal faces, reticulate on distal faces, microstructure not examined, ca. 200
|
||
<normalizedToken originalValue="µm">µm</normalizedToken>
|
||
.
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Microsporangia</emphasis>
|
||
in 2 dorsal rows and on ventral rows or also in axil of median leaves immediately below strobili;
|
||
<emphasis italics="true" pageId="9" pageNumber="102">microspores</emphasis>
|
||
light orange, ornamentation and diameter not determined.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="9" pageNumber="102" type="habitat and distribution">
|
||
<paragraph pageId="9" pageNumber="102">Habitat and distribution.</paragraph>
|
||
<paragraph pageId="9" pageNumber="102">
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella stomatoloma" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="species" species="stomatoloma">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella stomatoloma</emphasis>
|
||
</taxonomicName>
|
||
is an epipetric species known only from the state of
|
||
<normalizedToken originalValue="Pará">Para</normalizedToken>
|
||
in Brazil. It grows in dense lowland to premontane wet forests, probably at 200-800 m.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="9" pageNumber="102" type="etymology">
|
||
<paragraph pageId="9" pageNumber="102">Etymology.</paragraph>
|
||
<paragraph pageId="9" pageNumber="102">
|
||
The specific epithet is derived from the Greek
|
||
<emphasis italics="true" pageId="9" pageNumber="102">stoma</emphasis>
|
||
, meaning mouth, and
|
||
<emphasis italics="true" pageId="9" pageNumber="102">loma</emphasis>
|
||
, fringe or border; together these refer to the many stomata found on leaf margins.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="9" pageNumber="102" type="conservation status">
|
||
<paragraph pageId="9" pageNumber="102">Conservation status.</paragraph>
|
||
<paragraph pageId="9" pageNumber="102">
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella stomatoloma" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="species" species="stomatoloma">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella stomatoloma</emphasis>
|
||
</taxonomicName>
|
||
is known only from three collections made in de
|
||
<normalizedToken originalValue="Carajás">Carajas</normalizedToken>
|
||
National Forest, Brazil. This area is threatened by deforestation due to cattle ranching and large-scale mining (
|
||
<bibRefCitation author="Pinheiro, LC" journalOrPublisher="Check List" pageId="20" pageNumber="113" pagination="693 - 702" refId="B18" refString="Pinheiro, LC, Bitar, YOC, Galatti, U, Neckel-Oliveira, S, Costa, MCS, 2012. Amphibians from southeastern state of Para: Carajas region, northern Brazil. Check List 8: 693 - 702" title="Amphibians from southeastern state of Para: Carajas region, northern Brazil." volume="8" year="2012">Pinheiro et al. 2012</bibRefCitation>
|
||
). Therefore,
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella stomatoloma" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="species" species="stomatoloma">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella stomatoloma</emphasis>
|
||
</taxonomicName>
|
||
is considered Vulnerable (VU).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="9" pageNumber="102" type="additional specimens examined">
|
||
<paragraph pageId="9" pageNumber="102">Additional specimens examined</paragraph>
|
||
<paragraph pageId="9" pageNumber="102">
|
||
<emphasis bold="true" pageId="9" pageNumber="102">(paratypes). BRAZIL</emphasis>
|
||
.
|
||
<emphasis bold="true" pageId="9" pageNumber="102">
|
||
<normalizedToken originalValue="Pará">Para</normalizedToken>
|
||
</emphasis>
|
||
:
|
||
<normalizedToken originalValue="Canaã">Canaa</normalizedToken>
|
||
dos
|
||
<normalizedToken originalValue="Carajás">Carajas</normalizedToken>
|
||
, S11D, [ca.
|
||
<geoCoordinate degrees="06" direction="south" minutes="23" orientation="latitude" precision="15" seconds="08" value="-6.3855553">06°23'08"S</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="50" direction="west" minutes="18" orientation="longitude" precision="1" seconds="58.24" value="-50.316177">50°18'58.24"W</geoCoordinate>
|
||
], 23 May 2012,
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Salino et al. 15284</emphasis>
|
||
(BHCB, PMA), 27 Aug 2012,
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Salino et al. 15492</emphasis>
|
||
(BHCB, PMA).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection lastPageId="10" lastPageNumber="103" pageId="9" pageNumber="102" type="discussion">
|
||
<paragraph pageId="9" pageNumber="102">Discussion.</paragraph>
|
||
<paragraph pageId="9" pageNumber="102">
|
||
The minute plant size, stomata along leaf margins (Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Selaginella stomatoloma Valdespino. A Section of upper surface of stem B Upper surface of median leaf C Close-up of base and proximal portion of median leaf, upper surface; note marginal (a) and submarginal stomata (b) D Close-up of proximal portion and apex of median leaf, upper surface; note marginal (a) and submarginal (b) stomata E Section of lower surface of stem F Lower surface of lateral leaf; note marginal stomata (a) G Close-up of base and proximal portion of lateral leaf, lower surface; note marginal (a) and submarginal (b) stomata H Upper surface of lateral leaf. A-H taken from the holotype, Almeida et al. 2518 (PMA)." figureDoi="10.3897/phytokeys.57.6489.figure10" httpUri="https://binary.pensoft.net/fig/69727" pageId="9" pageNumber="102">10</figureCitation>
|
||
), and microsporangia in the axils of the median leaves near the strobili are features that
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella stomatoloma" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="species" species="stomatoloma">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella stomatoloma</emphasis>
|
||
</taxonomicName>
|
||
shares with
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella saltuicola" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="species" species="saltuicola">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella saltuicola</emphasis>
|
||
</taxonomicName>
|
||
. They differ, however, by the characters discussed in the diagnosis.
|
||
</paragraph>
|
||
<caption ID-Zenodo-Dep="973208" doi="10.3897/phytokeys.57.6489.figure10" httpUri="https://binary.pensoft.net/fig/69727" pageId="9" pageNumber="102" start="Figure 10" startId="F10">
|
||
<paragraph pageId="9" pageNumber="102">
|
||
<emphasis bold="true" pageId="9" pageNumber="102">Figure 10.</emphasis>
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella stomatoloma" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="species" species="stomatoloma">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella stomatoloma</emphasis>
|
||
</taxonomicName>
|
||
Valdespino.
|
||
<emphasis bold="true" pageId="9" pageNumber="102">A</emphasis>
|
||
Section of upper surface of stem
|
||
<emphasis bold="true" pageId="9" pageNumber="102">B</emphasis>
|
||
Upper surface of median leaf
|
||
<emphasis bold="true" pageId="9" pageNumber="102">C</emphasis>
|
||
Close-up of base and proximal portion of median leaf, upper surface; note marginal (a) and submarginal stomata (b)
|
||
<emphasis bold="true" pageId="9" pageNumber="102">D</emphasis>
|
||
Close-up of proximal portion and apex of median leaf, upper surface; note marginal (a) and submarginal (b) stomata
|
||
<emphasis bold="true" pageId="9" pageNumber="102">E</emphasis>
|
||
Section of lower surface of stem
|
||
<emphasis bold="true" pageId="9" pageNumber="102">F</emphasis>
|
||
Lower surface of lateral leaf; note marginal stomata (a)
|
||
<emphasis bold="true" pageId="9" pageNumber="102">G</emphasis>
|
||
Close-up of base and proximal portion of lateral leaf, lower surface; note marginal (a) and submarginal (b) stomata
|
||
<emphasis bold="true" pageId="9" pageNumber="102">H</emphasis>
|
||
Upper surface of lateral leaf.
|
||
<emphasis bold="true" pageId="9" pageNumber="102">A-H</emphasis>
|
||
taken from the holotype,
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Almeida et al. 2518</emphasis>
|
||
(PMA).
|
||
</paragraph>
|
||
</caption>
|
||
<paragraph lastPageId="10" lastPageNumber="103" pageId="9" pageNumber="102">
|
||
The presence of stomata along leaf margins seems to be a more common feature in
|
||
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="genus">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella</emphasis>
|
||
</taxonomicName>
|
||
than previously realized. This distribution was shown to occur in several species by, for example,
|
||
<bibRefCitation author="Harvey-Gibson, RJ" journalOrPublisher="Annals of Botany" pageId="20" pageNumber="113" pagination="123 - 155" refId="B7" refString="Harvey-Gibson, RJ, 1897. Contributions towards a knowledge of the anatomy of the genus Selaginella Spr. Part III. The leaf. Annals of Botany 11: 123 - 155" title="Contributions towards a knowledge of the anatomy of the genus Selaginella Spr. Part III. The leaf." volume="11" year="1897">Harvey-Gibson (1897)</bibRefCitation>
|
||
,
|
||
<bibRefCitation author="Schulz, C" journalOrPublisher="International Journal of Plant Sciences" pageId="20" pageNumber="113" pagination="693 - 712" publicationUrl="10.1086/654902" refId="B23" refString="Schulz, C, Little, DP, Stevenson, DW, Bauer, D, Moloney, C, Stuetzel, T, 2010. An overview of the morphology, anatomy, and life cycle of a new model species: The lycophyte Selaginella apoda (L.) Spring. International Journal of Plant Sciences 171: 693 - 712, DOI: 10.1086/654902" title="An overview of the morphology, anatomy, and life cycle of a new model species: The lycophyte Selaginella apoda (L.) Spring." url="10.1086/654902" volume="171" year="2010">Schulz et al. (2010)</bibRefCitation>
|
||
,
|
||
<bibRefCitation author="Youguang, Y" journalOrPublisher="Philippine Journal of Science" pageId="21" pageNumber="114" pagination="245 - 248" refId="B40" refString="Youguang, Y, Tan, BC, 2013. The non-functional stomata on the leaf margin of Selaginella. Philippine Journal of Science 142: 245 - 248" title="The non-functional stomata on the leaf margin of Selaginella." volume="142" year="2013">Youguang and Tan (2013)</bibRefCitation>
|
||
, and
|
||
<bibRefCitation author="Valdespino, IA" journalOrPublisher="PhytoKeys" pageId="21" pageNumber="114" pagination="61 - 99" publicationUrl="10.3897/phytokeys.50.4873" refId="B38" refString="Valdespino, IA, Heringer, G, Salino, A, Goes-Neto, LAA, Ceballos, J, 2015. Seven new species of Selaginella subg. Stachygynandrum (Selaginellaceae) from Brazil and new synonyms for the genus. PhytoKeys 50: 61 - 99, DOI: 10.3897/phytokeys.50.4873" title="Seven new species of Selaginella subg. Stachygynandrum (Selaginellaceae) from Brazil and new synonyms for the genus." url="10.3897/phytokeys.50.4873" volume="50" year="2015">Valdespino et al. (2015)</bibRefCitation>
|
||
, and are described here in
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella nanuzae" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="species" species="nanuzae">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella nanuzae</emphasis>
|
||
</taxonomicName>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. Selaginella nanuzae Valdespino. A Section of upper surface of stem B Upper surface of median leaf C Close-up of base and proximal portion of median leaf, upper surface; note marginal (a) and submarginal (b) stoma, and outer base tufted with long cilia (c) D Close-up of distal portion and apex of median leaf, upper surface E Section of upper surface of stem F Close-up of outer half of median leaf, upper surface G Close-up-of inner half of median leaf, upper surface H Lower surface of median leaf. A-H taken from the holotype, Salino et al. 7788 (PMA)." figureDoi="10.3897/phytokeys.57.6489.figure1" httpUri="https://binary.pensoft.net/fig/69718" pageId="9" pageNumber="102">1</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Selaginella nanuzae Valdespino. A Section of lower surface of stem B Lower surface of lateral leaf C Close-up of base and distal portion of lateral leaf, lower surface D Close-up of acroscopic half of lateral leaf near base, lower surface E Close-up of distal portion and apex of lateral leaf, lower surface F Close-up of portion of basiscopic margin of lateral leaf near apex, lower surface; note marginal stoma (a) G Upper surface of lateral leaf H Close-up of upper surface of lateral leaf. A-H taken from the holotype, Salino et al. 7788 (PMA)." figureDoi="10.3897/phytokeys.57.6489.figure2" httpUri="https://binary.pensoft.net/fig/69719" pageId="9" pageNumber="102">2</figureCitation>
|
||
),
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella neospringiana" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="species" species="neospringiana">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella neospringiana</emphasis>
|
||
</taxonomicName>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 4" captionStartId="F4" captionText="Figure 4. Selaginella neospringiana Valdespino. A Section of upper surface of stem B Upper surface of median leaf C Close-up of base and proximal portion of median leaf, upper surface D Close-up of distal portion and apex of median leaf, upper surface E Section of lower surface of stem F Lower surface of lateral leaf; note marginal stoma (a) G Close-up of proximal portion and base of lateral leaf, lower surface; note marginal stoma (a) on basiscopic margin and on outer margin of median leaf (far, lower right) H Close-up of distal portion and apex of lateral leaf, lower surface; note marginal stoma (a). A-H taken from the isotype, Glaziou 11723 (PMA)." figureDoi="10.3897/phytokeys.57.6489.figure4" httpUri="https://binary.pensoft.net/fig/69721" pageId="9" pageNumber="102">4</figureCitation>
|
||
),
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pellucidopunctata" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="species" species="pellucidopunctata">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella pellucidopunctata</emphasis>
|
||
</taxonomicName>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Selaginella pellucidopunctata Valdespino. A Section of upper surface of stem B Upper surface of median leaf C Close-up of base and proximal portion of median leaf, upper surface; note marginal stoma (a) on outer margin D Close-up of median leaf, distal region, upper surface E Close-up of apex of median leaf, upper and lower surfaces; note marginal stoma (a) on basiscopic margin of lateral leaf, upper surface F Upper surface of lateral leaf; note marginal stoma (a) on basiscopic margin and submarginal tooth (b) G Close-up of base and proximal portion of lateral leaf, upper surface; note marginal stoma (a) on basiscopic margin H Close-up of distal portion and apex of lateral leaf, upper surface; note submarginal tooth (b). A-H taken from the isotype, Oliveira 1094 (PMA)." figureDoi="10.3897/phytokeys.57.6489.figure7" httpUri="https://binary.pensoft.net/fig/69724" pageId="9" pageNumber="102">7</figureCitation>
|
||
,
|
||
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Selaginella pellucidopunctata Valdespino. A Section of lower surface of stem B Lower surface of lateral leaf C Close-up of distal portion and apex of lateral leaf, lower surface; note elongate, straight-walled, and papillate cells (idioblasts) D Close-up of lateral leaf, lower surface; note elongate, straight-walled, and papillate cells (idioblasts) E Strobilus, upper surface; note dorsal (Ds) and ventral (Vs) sporophyll F Dorsal sporophylls, adaxial- (F- 1) and abaxial surfaces (F- 2); note acroscopic margin (Ma) and basiscopic margin (Mb), this usually referred to as laminar flap (lf), stomata (a) throughout lamina and midrib, as well as tooth-like projections (b) on midrib and lamina, abaxial (upper) surface, marginal tooth projections (c), and ligule (d) G Strobilus, lower surface; note dorsal- (Ds) and ventral (Vs) sporophyll H Ventral sporophyll, adaxial (lower) surface. A-H taken from the isotype, Oliveira 1094 (PMA)." figureDoi="10.3897/phytokeys.57.6489.figure8" httpUri="https://binary.pensoft.net/fig/69725" pageId="9" pageNumber="102">8</figureCitation>
|
||
),
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella stomatoloma" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="species" species="stomatoloma">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella stomatoloma</emphasis>
|
||
</taxonomicName>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Selaginella stomatoloma Valdespino. A Section of upper surface of stem B Upper surface of median leaf C Close-up of base and proximal portion of median leaf, upper surface; note marginal (a) and submarginal stomata (b) D Close-up of proximal portion and apex of median leaf, upper surface; note marginal (a) and submarginal (b) stomata E Section of lower surface of stem F Lower surface of lateral leaf; note marginal stomata (a) G Close-up of base and proximal portion of lateral leaf, lower surface; note marginal (a) and submarginal (b) stomata H Upper surface of lateral leaf. A-H taken from the holotype, Almeida et al. 2518 (PMA)." figureDoi="10.3897/phytokeys.57.6489.figure10" httpUri="https://binary.pensoft.net/fig/69727" pageId="9" pageNumber="102">10</figureCitation>
|
||
), and
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella trygonoides" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="species" species="trygonoides">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella trygonoides</emphasis>
|
||
</taxonomicName>
|
||
(Fig.
|
||
<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Selaginella trygonoides Valdespino. A Section of lower surface of stem B Lower surface of lateral leaf C Close-up of base and proximal portion of lateral leaf, lower surface; note marginal stomata (a) D Close-up of distal portion and apex of lateral leaf, lower surface E Lower surface of axillary leaf and portions of lateral leaves F Upper surface of lateral leaf G Close-up of base and proximal portion of lateral leaf, upper surface H Close-up of distal portion and apex of lateral leaf, upper surface; note marginal stoma (a). A-H taken from the holotype, Almeida et al. 1994 (PMA)." figureDoi="10.3897/phytokeys.57.6489.figure12" httpUri="https://binary.pensoft.net/fig/69729" pageId="9" pageNumber="102">12</figureCitation>
|
||
), as well as being present on the outer margin of median leaves of
|
||
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella roraimensis" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="species" species="roraimensis">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella roraimensis</emphasis>
|
||
</taxonomicName>
|
||
Baker (see Fig.
|
||
<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Selaginella trygonoides Valdespino. A Section of upper surface of stem B Upper surface of median leaf; note submarginal stomata (a) on inner half of the lamina C Close-up of inner margin of median leaf, upper surface; note submarginal stomata (a) D Close-up of median leaf upper surface; note papillae on cell lumen E Upper surface of median leaf; note submarginal stomata on inner half of the lamina F Close-up of base, portion of inner margin and inner half of lamina (note stomata), and portion of outer margin and outer half of lamina of median leaf, upper surface G Upper surface of lateral leaf and portion of median leaves, upper surface H Close-up of distal portion and apex of lateral leaf, upper surface. A-H taken from the holotype, Almeida et al. 1994 (PMA)." figureDoi="10.3897/phytokeys.57.6489.figure11" httpUri="https://binary.pensoft.net/fig/69728" pageId="9" pageNumber="102">11C</figureCitation>
|
||
in
|
||
<bibRefCitation author="Alston, AHG" journalOrPublisher="Bulletin of the British Museum (Natural History), Botany" pageId="19" pageNumber="112" pagination="233 - 330" refId="B2" refString="Alston, AHG, Jermy, AC, Rankin, JM, 1981. The genus Selaginella in tropical South America. Bulletin of the British Museum (Natural History), Botany 9: 233 - 330" title="The genus Selaginella in tropical South America." volume="9" year="1981">Alston et al. 1981</bibRefCitation>
|
||
: 284, shown as
|
||
<taxonomicName authorityName="Alston" authorityYear="1981" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella scintillata" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="species" species="scintillata">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella scintillata</emphasis>
|
||
</taxonomicName>
|
||
Alston).
|
||
<bibRefCitation author="Youguang, Y" journalOrPublisher="Philippine Journal of Science" pageId="21" pageNumber="114" pagination="245 - 248" refId="B40" refString="Youguang, Y, Tan, BC, 2013. The non-functional stomata on the leaf margin of Selaginella. Philippine Journal of Science 142: 245 - 248" title="The non-functional stomata on the leaf margin of Selaginella." volume="142" year="2013">Youguang and Tan (2013)</bibRefCitation>
|
||
hypothesized that leaf marginal stomata were non-functional; however, the widespread occurrence of this feature in morphologically distinct species from diverse regions of the world indicate the contrary, particularly when one considers their fundamental role in plant physiology. It seems evolutionarily inefficient for
|
||
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella" order="Selaginellales" pageId="9" pageNumber="102" phylum="Lycopodiophyta" rank="genus">
|
||
<emphasis italics="true" pageId="9" pageNumber="102">Selaginella</emphasis>
|
||
</taxonomicName>
|
||
to develop leaf marginal stomata (as well as on other parts
|
||
<pageBreakToken pageId="10" pageNumber="103" start="start">of</pageBreakToken>
|
||
the lamina), besides those along the midribs, if they were not active in playing key roles in plant photosynthesis. In the absence of experimental evidence to the contrary, they are here considered functional. Nevertheless, these competing explanations for the distribution and physiological importance of stomata on
|
||
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella" order="Selaginellales" pageId="10" pageNumber="103" phylum="Lycopodiophyta" rank="genus">
|
||
<emphasis italics="true" pageId="10" pageNumber="103">Selaginella</emphasis>
|
||
</taxonomicName>
|
||
highlight the need for detailed experimental studies, to address functional issues.
|
||
</paragraph>
|
||
<caption ID-Zenodo-Dep="973210" doi="10.3897/phytokeys.57.6489.figure11" httpUri="https://binary.pensoft.net/fig/69728" pageId="10" pageNumber="103" start="Figure 11" startId="F11">
|
||
<paragraph pageId="10" pageNumber="103">
|
||
<emphasis bold="true" pageId="10" pageNumber="103">Figure 11.</emphasis>
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella trygonoides" order="Selaginellales" pageId="10" pageNumber="103" phylum="Lycopodiophyta" rank="species" species="trygonoides">
|
||
<emphasis italics="true" pageId="10" pageNumber="103">Selaginella trygonoides</emphasis>
|
||
</taxonomicName>
|
||
Valdespino.
|
||
<emphasis bold="true" pageId="10" pageNumber="103">A</emphasis>
|
||
Section of upper surface of stem
|
||
<emphasis bold="true" pageId="10" pageNumber="103">B</emphasis>
|
||
Upper surface of median leaf; note submarginal stomata (a) on inner half of the lamina
|
||
<emphasis bold="true" pageId="10" pageNumber="103">C</emphasis>
|
||
Close-up of inner margin of median leaf, upper surface; note submarginal stomata (a)
|
||
<emphasis bold="true" pageId="10" pageNumber="103">D</emphasis>
|
||
Close-up of median leaf upper surface; note papillae on cell lumen
|
||
<emphasis bold="true" pageId="10" pageNumber="103">E</emphasis>
|
||
Upper surface of median leaf; note submarginal stomata on inner half of the lamina
|
||
<emphasis bold="true" pageId="10" pageNumber="103">F</emphasis>
|
||
Close-up of base, portion of inner margin and inner half of lamina (note stomata), and portion of outer margin and outer half of lamina of median leaf, upper surface
|
||
<emphasis bold="true" pageId="10" pageNumber="103">G</emphasis>
|
||
Upper surface of lateral leaf and portion of median leaves, upper surface
|
||
<emphasis bold="true" pageId="10" pageNumber="103">H</emphasis>
|
||
Close-up of distal portion and apex of lateral leaf, upper surface.
|
||
<emphasis bold="true" pageId="10" pageNumber="103">A-H</emphasis>
|
||
taken from the holotype,
|
||
<emphasis italics="true" pageId="10" pageNumber="103">Almeida et al. 1994</emphasis>
|
||
(PMA).
|
||
</paragraph>
|
||
</caption>
|
||
<caption ID-Zenodo-Dep="973212" doi="10.3897/phytokeys.57.6489.figure12" httpUri="https://binary.pensoft.net/fig/69729" pageId="10" pageNumber="103" start="Figure 12" startId="F12">
|
||
<paragraph pageId="10" pageNumber="103">
|
||
<emphasis bold="true" pageId="10" pageNumber="103">Figure 12.</emphasis>
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2015" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella trygonoides" order="Selaginellales" pageId="10" pageNumber="103" phylum="Lycopodiophyta" rank="species" species="trygonoides">
|
||
<emphasis italics="true" pageId="10" pageNumber="103">Selaginella trygonoides</emphasis>
|
||
</taxonomicName>
|
||
Valdespino.
|
||
<emphasis bold="true" pageId="10" pageNumber="103">A</emphasis>
|
||
Section of lower surface of stem
|
||
<emphasis bold="true" pageId="10" pageNumber="103">B</emphasis>
|
||
Lower surface of lateral leaf
|
||
<emphasis bold="true" pageId="10" pageNumber="103">C</emphasis>
|
||
Close-up of base and proximal portion of lateral leaf, lower surface; note marginal stomata (a)
|
||
<emphasis bold="true" pageId="10" pageNumber="103">D</emphasis>
|
||
Close-up of distal portion and apex of lateral leaf, lower surface
|
||
<emphasis bold="true" pageId="10" pageNumber="103">E</emphasis>
|
||
Lower surface of axillary leaf and portions of lateral leaves
|
||
<emphasis bold="true" pageId="10" pageNumber="103">F</emphasis>
|
||
Upper surface of lateral leaf
|
||
<emphasis bold="true" pageId="10" pageNumber="103">G</emphasis>
|
||
Close-up of base and proximal portion of lateral leaf, upper surface
|
||
<emphasis bold="true" pageId="10" pageNumber="103">H</emphasis>
|
||
Close-up of distal portion and apex of lateral leaf, upper surface; note marginal stoma (a).
|
||
<emphasis bold="true" pageId="10" pageNumber="103">A-H</emphasis>
|
||
taken from the holotype,
|
||
<emphasis italics="true" pageId="10" pageNumber="103">Almeida et al. 1994</emphasis>
|
||
(PMA).
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |