460 lines
39 KiB
XML
460 lines
39 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.159.55330" ID-GBIF-Dataset="d5277062-3126-470b-8780-f05e487b1c89" ID-PMC="PMC7486311" ID-Pensoft-Pub="1314-2003-159-71" ID-Pensoft-UUID="E9DA9186A78F5770980129A17A54A8F2" ID-PubMed="32973390" ModsDocID="1314-2003-159-71" checkinTime="1599298919024" checkinUser="pensoft" docAuthor="Valdespino, Ivan A." docDate="2020" docId="25D6A531A64352318DA25DFEE1023E9C" docLanguage="en" docName="PhytoKeys 159: 71-113" docOrigin="PhytoKeys 159" docSource="http://dx.doi.org/10.3897/phytokeys.159.55330" docTitle="Selaginella pubimarginata Valdespino 2020, sp. nov." docType="treatment" docVersion="4" id="E9DA9186A78F5770980129A17A54A8F2" lastPageNumber="71" masterDocId="E9DA9186A78F5770980129A17A54A8F2" masterDocTitle="Taxonomic innovations in South American Selaginella (Selaginellaceae, Lycopodiophyta): description of five new species and an additional range extension" masterLastPageNumber="113" masterPageNumber="71" pageNumber="71" updateTime="1668140019644" updateUser="ExternalLinkService">
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<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
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<mods:titleInfo>
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<mods:title>Taxonomic innovations in South American Selaginella (Selaginellaceae, Lycopodiophyta): description of five new species and an additional range extension</mods:title>
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</mods:titleInfo>
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<mods:name type="personal">
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<mods:role>
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<mods:roleTerm>Author</mods:roleTerm>
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</mods:role>
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<mods:namePart>Valdespino, Ivan A.</mods:namePart>
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<mods:affiliation>Departamento de Botanica, Facultad de Ciencias Naturales, Exactas y Tecnologia, Universidad de Panama, Apartado Postal 0824 - 00073, Panama & Sistema Nacional de Investigacion (SNI), SENACYT, Panama</mods:affiliation>
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<mods:nameIdentifier type="orcid">https://orcid.org/0000-0003-1004-8289</mods:nameIdentifier>
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<mods:nameIdentifier type="email">iavaldespino@gmail.com</mods:nameIdentifier>
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</mods:name>
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<mods:typeOfResource>text</mods:typeOfResource>
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<mods:relatedItem type="host">
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<mods:titleInfo>
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<mods:title>PhytoKeys</mods:title>
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</mods:titleInfo>
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<mods:part>
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<mods:date>2020</mods:date>
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<mods:detail type="volume">
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<mods:number>159</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>71</mods:start>
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<mods:end>113</mods:end>
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</mods:extent>
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</mods:part>
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</mods:relatedItem>
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<mods:location>
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<mods:url>http://dx.doi.org/10.3897/phytokeys.159.55330</mods:url>
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</mods:location>
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<mods:classification>journal article</mods:classification>
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<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.159.55330</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-159-71</mods:identifier>
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<mods:identifier type="Pensoft-UUID">E9DA9186A78F5770980129A17A54A8F2</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="167514801" LSID="urn:lsid:plazi:treatment:25D6A531A64352318DA25DFEE1023E9C" httpUri="http://treatment.plazi.org/id/25D6A531A64352318DA25DFEE1023E9C" lastPageNumber="71" pageId="0" pageNumber="71">
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<subSubSection pageId="0" pageNumber="71" type="nomenclature">
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<paragraph pageId="0" pageNumber="71">
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<taxonomicName LSID="25D6A531-A643-5231-8DA2-5DFEE1023E9C" authority="Valdespino" authorityName="Valdespino" authorityYear="2020" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pubimarginata" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="pubimarginata" status="sp. nov.">Selaginella pubimarginata Valdespino</taxonomicName>
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<taxonomicNameLabel pageId="0" pageNumber="71">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Distribution of Selaginella papillosa *, S. pubimarginata ◊, S. rostrata ■." figureDoi="10.3897/phytokeys.159.55330.figure9" httpUri="https://binary.pensoft.net/fig/449480" pageId="0" pageNumber="71">Figures 9</figureCitation>
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<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Selaginella pubimarginata Valdespino. A Section of upper surface of stem showing median and lateral leaves B median leaf, upper surface C distal half of median leaf, upper surface (same leaf shown in B) D proximal half of median leaf, upper surface (same leaf shown in B) E section of median leaf outer half, upper surface; note prominent elongate, papillate idioblast (a) and submarginal stomata (b) F detail of midsection of inner half of median leaf, upper surface G detail of median leaf, upper surface; note papillate cells H lateral leaf, upper surface I section of proximal, acroscopic half of lateral leaf, upper surface (same leaf shown in H) J section of distal and basiscopic half of lateral leaf, upper surface (same leaf shown in H) K detail of section of basiscopic margin of lateral leaf, upper surface (same leaf shown in H); note submarginal stomata (a) and teeth-like hairs (b) L detail of lateral leaf, upper surface; note papillate cells. A-L taken from the holotype." figureDoi="10.3897/phytokeys.159.55330.figure10" httpUri="https://binary.pensoft.net/fig/449481" pageId="0" pageNumber="71">, 10</figureCitation>
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<figureCitation captionStart="Figure 11" captionStartId="F11" captionText="Figure 11. Selaginella pubimarginata Valdespino. A Section of lower surface of stem showing lateral and median leaves and axillar leaf B lateral leaf, lower surface C proximal half of lateral leaf, upper surface (same leaf shown in B) D section of proximal acroscopic margin and base of lateral leaf, lower surface (same leaf shown in B); note elongate, papillate idioblasts (a) E distal half of lateral leaf, lower surface (same leaf shown in B); note elongate, papillate idioblasts (a) F mid-section of lateral leaf, lower surface (same leaf shown in B); note elongate, papillate idioblasts (a) and stomata along midrib (b) G axillary leaf (a) and portions of lateral and median leaves, lower surfaces H detail of outer half of median leaf (a) and axillary rhizophores (b), lower surfaces (same leaf shown in G). A-H taken from the holotype." figureDoi="10.3897/phytokeys.159.55330.figure11" httpUri="https://binary.pensoft.net/fig/449482" pageId="0" pageNumber="71">, 11</figureCitation>
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<figureCitation captionStart="Figure 12" captionStartId="F12" captionText="Figure 12. Selaginella pubimarginata Valdespino. A Megaspore, proximal face B detail of megaspore, proximal face C megaspore, distal face D detail of megaspore, distal face E microspore, proximal face F detail of microspore, proximal face G microspore, distal face H detail of microspore, distal face. A-H taken from the holotype." figureDoi="10.3897/phytokeys.159.55330.figure12" httpUri="https://binary.pensoft.net/fig/449483" pageId="0" pageNumber="71">, 12</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="71" type="diagnosis">
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<paragraph pageId="0" pageNumber="71">Diagnosis.</paragraph>
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<paragraph pageId="0" pageNumber="71">
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<taxonomicName authorityName="Valdespino" authorityYear="2020" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pubimarginata" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="pubimarginata">
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<emphasis italics="true" pageId="0" pageNumber="71">Selaginella pubimarginata</emphasis>
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</taxonomicName>
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differs from
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<taxonomicName lsidName="S. albolineata" pageId="0" pageNumber="71" rank="species" species="albolineata">
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<emphasis italics="true" pageId="0" pageNumber="71">S. albolineata</emphasis>
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</taxonomicName>
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by its ovate-deltate (vs. ovate to ovate-elliptic) lateral leaves with upper surfaces lacking (vs. with) conspicuous idioblasts, acroscopic margins long-ciliate along proximal
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<normalizedToken originalValue="½">1/2</normalizedToken>
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, otherwise dentate to denticulate distally (vs. denticulate throughout), acute to attenuate to shortly acuminate (vs. obtuse to rounded) apices, and axillary leaves ciliate (vs. dentate) along proximal
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<normalizedToken originalValue="½">1/2</normalizedToken>
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-⅔.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="71" type="materials_examined">
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<paragraph pageId="0" pageNumber="71">Type.</paragraph>
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<paragraph pageId="0" pageNumber="71">
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Venezuela. Amazonas: Atabapo:
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<normalizedToken originalValue="Río">Rio</normalizedToken>
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Cunucunuma, entre las comunidades de Culebra y Huachamacari, entre el Cerro Duida y Huachamacari, 180-210 m,
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<geoCoordinate degrees="03" direction="north" minutes="40" orientation="latitude" precision="925" value="3.6666667">03°40'N</geoCoordinate>
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,
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<geoCoordinate degrees="65" direction="west" minutes="45" orientation="longitude" precision="925" value="-65.75">65°45'W</geoCoordinate>
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, 28-30 Jan & 6-8 Feb 1982,
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<emphasis italics="true" pageId="0" pageNumber="71">J.A. Steyermark et al. 125655</emphasis>
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(holotype: NY!; isotypes: MO!, NY!, PMA!, UC!).
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</paragraph>
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<caption doi="10.3897/phytokeys.159.55330.figure10" httpUri="https://binary.pensoft.net/fig/449481" pageId="0" pageNumber="71" start="Figure 10" startId="F10">
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<paragraph pageId="0" pageNumber="71">
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<emphasis bold="true" pageId="0" pageNumber="71">Figure 10.</emphasis>
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<taxonomicName authorityName="Valdespino" authorityYear="2020" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pubimarginata" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="pubimarginata">
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<emphasis italics="true" pageId="0" pageNumber="71">Selaginella pubimarginata</emphasis>
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</taxonomicName>
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Valdespino.
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<emphasis bold="true" pageId="0" pageNumber="71">A</emphasis>
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Section of upper surface of stem showing median and lateral leaves
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<emphasis bold="true" pageId="0" pageNumber="71">B</emphasis>
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median leaf, upper surface
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<emphasis bold="true" pageId="0" pageNumber="71">C</emphasis>
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distal half of median leaf, upper surface (same leaf shown in
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<emphasis bold="true" pageId="0" pageNumber="71">B</emphasis>
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)
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<emphasis bold="true" pageId="0" pageNumber="71">D</emphasis>
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proximal half of median leaf, upper surface (same leaf shown in
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<emphasis bold="true" pageId="0" pageNumber="71">B</emphasis>
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)
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<emphasis bold="true" pageId="0" pageNumber="71">E</emphasis>
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section of median leaf outer half, upper surface; note prominent elongate, papillate idioblast (a) and submarginal stomata (b)
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<emphasis bold="true" pageId="0" pageNumber="71">F</emphasis>
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detail of midsection of inner half of median leaf, upper surface
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<emphasis bold="true" pageId="0" pageNumber="71">G</emphasis>
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detail of median leaf, upper surface; note papillate cells
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<emphasis bold="true" pageId="0" pageNumber="71">H</emphasis>
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lateral leaf, upper surface
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<emphasis bold="true" pageId="0" pageNumber="71">I</emphasis>
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section of proximal, acroscopic half of lateral leaf, upper surface (same leaf shown in
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<emphasis bold="true" pageId="0" pageNumber="71">H</emphasis>
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)
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<emphasis bold="true" pageId="0" pageNumber="71">J</emphasis>
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section of distal and basiscopic half of lateral leaf, upper surface (same leaf shown in
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<emphasis bold="true" pageId="0" pageNumber="71">H</emphasis>
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)
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<emphasis bold="true" pageId="0" pageNumber="71">K</emphasis>
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detail of section of basiscopic margin of lateral leaf, upper surface (same leaf shown in
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<emphasis bold="true" pageId="0" pageNumber="71">H</emphasis>
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); note submarginal stomata (a) and teeth-like hairs (b)
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<emphasis bold="true" pageId="0" pageNumber="71">L</emphasis>
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detail of lateral leaf, upper surface; note papillate cells.
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<emphasis bold="true" pageId="0" pageNumber="71">A-L</emphasis>
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taken from the holotype.
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</paragraph>
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</caption>
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</subSubSection>
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<subSubSection pageId="0" pageNumber="71" type="description">
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<paragraph pageId="0" pageNumber="71">Description.</paragraph>
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<paragraph pageId="0" pageNumber="71">
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<emphasis italics="true" pageId="0" pageNumber="71">Plants</emphasis>
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epipetric, terrestrial or epiphytic, moss-like.
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<emphasis italics="true" pageId="0" pageNumber="71">Stems</emphasis>
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creeping, stramineous, 2.0-12 cm long, 0.25-0.4 mm diam., not-articulate, not flagelliform or stoloniferous, straw-colored to brownish, 1- or 2-branched, the branches arising at ca. 45° angle.
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<emphasis italics="true" pageId="0" pageNumber="71">Rhizophores</emphasis>
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axillary, borne throughout the stems, filiform, 0.1-0.15 mm diam.
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</paragraph>
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<paragraph pageId="0" pageNumber="71">
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<emphasis italics="true" pageId="0" pageNumber="71">Leaves</emphasis>
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heteromorphic throughout, membranaceous, upper surfaces green, golden brown (in old leaves) or dark brown (in alcohol-preserved specimens), lower surfaces silvery.
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<emphasis italics="true" pageId="0" pageNumber="71">Lateral leaves</emphasis>
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distant, spreading, perpendicular to stems or less often slightly ascending, broadly ovate, ovate-deltate or ovate-elliptic, 1-1.5
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<normalizedToken originalValue="×">x</normalizedToken>
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0.5-1.2 mm; bases rounded, glabrous, acroscopic bases slightly overlapping stems, basiscopic bases free from stems; acroscopic margins on both surfaces plane or sometimes revolute on upper surfaces, along proximal
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<normalizedToken originalValue="½">1/2</normalizedToken>
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-⅔ bordered by a hyaline band comprised of idioblasts, the band 1-6 cells wide, the idioblasts elongate, straight-walled, and papillate, the papillae in a single or double row over each cell lumen, long-ciliate, otherwise on distal ⅓-
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<normalizedToken originalValue="½">1/2</normalizedToken>
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, greenish, bordered by quadrangular to rounded cells, entire or sparse- and minutely denticulate, especially along distal ⅓, basiscopic margins on both surfaces greenish, bordered by quadrangular to rounded cells, entire throughout or sparse- and minutely denticulate, along distal ⅓; apices attenuate to shortly acuminate, each acumen ca. 0.1 mm long, tipped by 1-3 teeth; upper surfaces mostly glabrous, except for many, short, teeth-like hairs marginally to submarginally along basiscopic margins and distally towards and at the apices, comprising rounded to quadrangular, slightly sinuate, and broad-walled cells on basiscopic ⅔ of the laminae, the cells papillate, the papillae 1-5 and irregularly arranged on each cell lumen, on acroscopic ⅓ of the laminae comprising strongly sinuate, thin-walled, and glabrous cells, without idioblasts, stomata present on acroscopic margins along distal ⅓ and on basiscopic margins along distal
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<normalizedToken originalValue="¾">3/4</normalizedToken>
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, lower surfaces glabrous, comprised of elongate, sinuate-walled, laevigate cells and of straight-walled, papillate idioblasts, the papillae 7-28 in one or two rows on each cell lumen, the idioblasts evenly distributed on the laminae and strongly grouped on proximal, basal region of the laminae, with stomata on 1-5 rows along midribs.
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<emphasis italics="true" pageId="0" pageNumber="71">Median leaves</emphasis>
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distant to slightly imbricate near branch tips, ascending, broadly elliptic to orbicular or broadly ovate-elliptic with both inner and outer halves equal in width, 0.7-1.2
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<normalizedToken originalValue="×">x</normalizedToken>
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0.5-0.8 mm; bases glabrous, oblique, not decurrent, without auricles; margins plane or outer margins on proximal
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<normalizedToken originalValue="¼">1/4</normalizedToken>
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revolute, along proximal
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<normalizedToken originalValue="½">1/2</normalizedToken>
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bordered by greenish, quadrangular cells, on distal
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<normalizedToken originalValue="½">1/2</normalizedToken>
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bordered continuously by a narrow hyaline band comprised of idioblasts, the band 1 or 2 cells wide, the idioblasts similar to those in the hyaline marginal bands of proximal
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<normalizedToken originalValue="½">1/2</normalizedToken>
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-⅔ of acroscopic margins of the lateral leaves, dentate on outer margins and short-ciliate along proximal
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<normalizedToken originalValue="½">1/2</normalizedToken>
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, otherwise dentate along distal
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<normalizedToken originalValue="½">1/2</normalizedToken>
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on inner margins; apices short acuminate, each acumen 0.1 or 0.2 mm long and tipped by 1-3 teeth; upper surfaces glabrous, except for few, submarginal, short, teeth-like hairs on mid portion of outer margins, comprised of round to quadrangular slightly sinuate, thick-walled, papillate cells and one, papillate idioblast along mid-section of outer margins, the papilla 10-13 on a single row on each cell lumen, stomata on midrib along distal
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<normalizedToken originalValue="½">1/2</normalizedToken>
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and submarginally to marginally along proximal
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<normalizedToken originalValue="½">1/2</normalizedToken>
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of outer margins, lower surfaces glabrous, comprised of elongate, sinuate-walled, laevigate cells, without stomata.
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<emphasis italics="true" pageId="0" pageNumber="71">Axillary leaves</emphasis>
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broadly ovate, ovate-deltate or ovate-elliptic, 1.2-1.6
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<normalizedToken originalValue="×">x</normalizedToken>
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0.7-1.2 mm; bases attenuate; margins bordered continuously by a hyaline band comprised of papillate idioblasts along proximal ⅔, the band 1-6 cells wide, the papillae in a single row, on distal ⅓ bordered by greenish, quadrangular cells, long-ciliate along proximal
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<normalizedToken originalValue="½">1/2</normalizedToken>
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-⅔, otherwise entire to denticulate distally; apices attenuate, each 0.1 mm long, tipper by 1-5 teeth.
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<emphasis italics="true" pageId="0" pageNumber="71">Strobili</emphasis>
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terminal, loosely quadrangular, 1.5-9 mm long.
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<emphasis italics="true" pageId="0" pageNumber="71">Sporophylls</emphasis>
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monomorphic, without a laminar flap, each with a slightly developed keel along midribs, the keel puberulent with short, tooth-like projections distally, ovate to ovate-lanceolate, (0.6)0.9-1.5
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<normalizedToken originalValue="×">x</normalizedToken>
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(0.3)0.5-0.7 mm; bases rounded; margins obscurely hyaline bordered by 1-3(4) elongate, papillate idioblasts (especially apically), serrate; apices long-acuminate, tipped by 1-3 teeth;
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<emphasis italics="true" pageId="0" pageNumber="71">dorsal sporophylls</emphasis>
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with upper surfaces green and cells as in median leaves, except for the half that overlaps the ventral sporophylls where the surfaces are greenish hyaline to hyaline with elongate and slightly sinuate-walled cells, lower surfaces hyaline and comprising elongate, sinuate-walled cells;
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<emphasis italics="true" pageId="0" pageNumber="71">ventral sporophylls</emphasis>
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with both surfaces, hyaline, comprised of elongate, papillate, sinuate-walled cells.
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<emphasis italics="true" pageId="0" pageNumber="71">Megasporangia</emphasis>
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few and proximal, along two ventral rows;
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<emphasis italics="true" pageId="0" pageNumber="71">megaspores</emphasis>
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light to lemon-yellow, 240-250
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam., proximal faces rugulate with a slightly developed equatorial flange, the microstructure sparsely, short echinate and perforate, distal faces rugulate to reticulate, the rugulae or reticulae open (incomplete) to closed, each reticulum with low walls, the microstructure sparsely, short echinate and perforate.
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<emphasis italics="true" pageId="0" pageNumber="71">Microsporangia</emphasis>
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light orange in two dorsal rows and distally along two ventral rows; 22-250
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<normalizedToken originalValue="µm">µm</normalizedToken>
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diam.,
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<emphasis italics="true" pageId="0" pageNumber="71">microspores</emphasis>
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light orange, rugulate on proximal and distal faces, with the microstructure perforate.
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</paragraph>
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<caption doi="10.3897/phytokeys.159.55330.figure11" httpUri="https://binary.pensoft.net/fig/449482" pageId="0" pageNumber="71" start="Figure 11" startId="F11">
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<paragraph pageId="0" pageNumber="71">
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<emphasis bold="true" pageId="0" pageNumber="71">Figure 11.</emphasis>
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<taxonomicName authorityName="Valdespino" authorityYear="2020" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pubimarginata" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="pubimarginata">
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<emphasis italics="true" pageId="0" pageNumber="71">Selaginella pubimarginata</emphasis>
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</taxonomicName>
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Valdespino.
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<emphasis bold="true" pageId="0" pageNumber="71">A</emphasis>
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Section of lower surface of stem showing lateral and median leaves and axillar leaf
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<emphasis bold="true" pageId="0" pageNumber="71">B</emphasis>
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lateral leaf, lower surface
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<emphasis bold="true" pageId="0" pageNumber="71">C</emphasis>
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proximal half of lateral leaf, upper surface (same leaf shown in
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<emphasis bold="true" pageId="0" pageNumber="71">B</emphasis>
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)
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<emphasis bold="true" pageId="0" pageNumber="71">D</emphasis>
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section of proximal acroscopic margin and base of lateral leaf, lower surface (same leaf shown in
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<emphasis bold="true" pageId="0" pageNumber="71">B</emphasis>
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); note elongate, papillate idioblasts (a)
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<emphasis bold="true" pageId="0" pageNumber="71">E</emphasis>
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distal half of lateral leaf, lower surface (same leaf shown in
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<emphasis bold="true" pageId="0" pageNumber="71">B</emphasis>
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); note elongate, papillate idioblasts (a)
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<emphasis bold="true" pageId="0" pageNumber="71">F</emphasis>
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mid-section of lateral leaf, lower surface (same leaf shown in
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<emphasis bold="true" pageId="0" pageNumber="71">B</emphasis>
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); note elongate, papillate idioblasts (a) and stomata along midrib (b)
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<emphasis bold="true" pageId="0" pageNumber="71">G</emphasis>
|
||
axillary leaf (a) and portions of lateral and median leaves, lower surfaces
|
||
<emphasis bold="true" pageId="0" pageNumber="71">H</emphasis>
|
||
detail of outer half of median leaf (a) and axillary rhizophores (b), lower surfaces (same leaf shown in
|
||
<emphasis bold="true" pageId="0" pageNumber="71">G</emphasis>
|
||
).
|
||
<emphasis bold="true" pageId="0" pageNumber="71">A-H</emphasis>
|
||
taken from the holotype.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="71" type="habitat">
|
||
<paragraph pageId="0" pageNumber="71">Habitat and distribution.</paragraph>
|
||
<paragraph pageId="0" pageNumber="71">
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2020" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pubimarginata" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="pubimarginata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Selaginella pubimarginata</emphasis>
|
||
</taxonomicName>
|
||
grows on shaded or exposed moist boulders, along streambeds, and waterfalls in tropical rainforests at 80-700 m; it is known at and around Cerro Huachamacari, along the rivers Sipapo and Coromoto in Amazonas state, and along
|
||
<normalizedToken originalValue="Río">Rio</normalizedToken>
|
||
Caura in
|
||
<normalizedToken originalValue="Bolívar">Bolivar</normalizedToken>
|
||
state, Venezuela.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="71" type="etymology">
|
||
<paragraph pageId="0" pageNumber="71">Etymology.</paragraph>
|
||
<paragraph pageId="0" pageNumber="71">
|
||
The epithet derives from the Latin "
|
||
<emphasis italics="true" pageId="0" pageNumber="71">puberulus</emphasis>
|
||
," slightly pubescent, and "
|
||
<emphasis italics="true" pageId="0" pageNumber="71">marginatus</emphasis>
|
||
," having a border. Together these refer to the presence of submarginal hairs on lateral leaves upper surfaces near the basiscopic and apical portion of leaf laminae.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="71" type="conservation status">
|
||
<paragraph pageId="0" pageNumber="71">Conservation status.</paragraph>
|
||
<paragraph pageId="0" pageNumber="71">
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2020" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pubimarginata" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="pubimarginata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Selaginella pubimarginata</emphasis>
|
||
</taxonomicName>
|
||
is known from four collections made in two states in the Guiana Highland region of Venezuela. Current available data, however, is scanty and does not allow for a reliable conservation assessment. Accordingly, this new species is considered Data Deficient (DD) based on
|
||
<bibRefCitation author="IUCN" journalOrPublisher="W. Engelmann, Leipzig" pageId="0" pageNumber="71" refId="B5" refString="IUCN, 2012. IUCN Red List Categories and Criteria, Version 3.1. Second edition. Prepared by the IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, United Kingdom." title="IUCN Red List Categories and Criteria, Version 3.1. Second edition. Prepared by the IUCN Species Survival Commission. IUCN, Gland, Switzerland and Cambridge, United Kingdom." year="2012">IUCN (2012)</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="71" type="materials_examined">
|
||
<paragraph pageId="0" pageNumber="71">Additional specimens examined (paratypes).</paragraph>
|
||
<paragraph pageId="0" pageNumber="71">
|
||
Venezuela.
|
||
<emphasis bold="true" pageId="0" pageNumber="71">Amazonas</emphasis>
|
||
. Atabapo: Cerro Huachamacari, E slope,
|
||
<geoCoordinate degrees="03" direction="north" minutes="49" orientation="latitude" precision="925" value="3.8166666">03°49'N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="65" direction="west" minutes="42" orientation="longitude" precision="925" value="-65.7">65°42'W</geoCoordinate>
|
||
, 600-700 m, 2 Nov 1988,
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Liesner 25697</emphasis>
|
||
(MO, UC);
|
||
<normalizedToken originalValue="Río">Rio</normalizedToken>
|
||
Cunucunuma, entre las comunidades de Culebra y Huachamacari, entre el Cerro Duida y Huachamacari,
|
||
<geoCoordinate degrees="03" direction="north" minutes="40" orientation="latitude" precision="925" value="3.6666667">03°40'N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="65" direction="west" minutes="45" orientation="longitude" precision="925" value="-65.75">65°45'W</geoCoordinate>
|
||
, 180-210 m, 28-30 Jan & 6-8 Feb 1982,
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Steyermark et al. 125639</emphasis>
|
||
(NY, UC), 200-400 m, 28-30 Jan & 6-9 Feb 1982,
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Guariglia et al. 1676</emphasis>
|
||
(NY-2 sheets); Atures: 125 km de la boca (delta) del Guayapo en Sipapo,
|
||
<geoCoordinate degrees="04" direction="north" minutes="22" orientation="latitude" precision="925" value="4.366667">04°22'N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="67" direction="west" minutes="06" orientation="longitude" precision="925" value="-67.1">67°06'W</geoCoordinate>
|
||
, 130 m, May 1989,
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Foldats & Velazco 9203</emphasis>
|
||
(NY); 40 km S of Puerto Ayacucho,
|
||
<normalizedToken originalValue="Tobogán">Tobogan</normalizedToken>
|
||
de la Selva,
|
||
<geoCoordinate degrees="05" direction="north" minutes="35" orientation="latitude" precision="925" value="5.5833335">05°35'N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="67" direction="west" minutes="30" orientation="longitude" precision="925" value="-67.5">67°30'W</geoCoordinate>
|
||
, 70-100 m, 21 Jan 1985,
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Beitel & Buck 85010</emphasis>
|
||
(NY, UC);
|
||
<normalizedToken originalValue="Río">Rio</normalizedToken>
|
||
Coromoto, above
|
||
<normalizedToken originalValue="Tobogán">Tobogan</normalizedToken>
|
||
de la Selva, 35 km SE of Puerto Ayacucho,
|
||
<geoCoordinate degrees="05" direction="north" minutes="27" orientation="latitude" precision="925" value="5.45">05°27'N</geoCoordinate>
|
||
,
|
||
<geoCoordinate degrees="67" direction="west" minutes="33" orientation="longitude" precision="925" value="-67.55">67°33'W</geoCoordinate>
|
||
, 80 m, 7 Sep 1985,
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Steyermark et al. 131528</emphasis>
|
||
(MO, UC).
|
||
<emphasis bold="true" pageId="0" pageNumber="71">
|
||
<normalizedToken originalValue="Bolívar">Bolivar</normalizedToken>
|
||
</emphasis>
|
||
: alrededor del campamento "Las Pavas", vecindad del Salto Para,
|
||
<normalizedToken originalValue="Río">Rio</normalizedToken>
|
||
Caura (lado derecho del
|
||
<normalizedToken originalValue="río">rio</normalizedToken>
|
||
abajo), 230-280 m, 15-17 Jan 1977,
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Steyermark et al. 112992</emphasis>
|
||
(GH, MO); Medio Caura, selva del Salto de Para, 300 m, 5 Mar 1939,
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Williams 11385</emphasis>
|
||
(BM, F).
|
||
</paragraph>
|
||
</subSubSection>
|
||
<subSubSection pageId="0" pageNumber="71" type="discussion">
|
||
<paragraph pageId="0" pageNumber="71">Discussion.</paragraph>
|
||
<paragraph pageId="0" pageNumber="71">
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2020" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pubimarginata" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="pubimarginata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Selaginella pubimarginata</emphasis>
|
||
</taxonomicName>
|
||
is characterized by its moss-like habit, lateral leaf ovate-deltate, with tooth-like, short hairs on the upper surfaces along basiscopic halves of leaf laminae, long-ciliate margins along proximal
|
||
<normalizedToken originalValue="½">1/2</normalizedToken>
|
||
, and acute to attenuate to shortly acuminate apices, axillary leaves similar in overall shape and apices to lateral leaves and long-ciliate margins along proximal
|
||
<normalizedToken originalValue="½">1/2</normalizedToken>
|
||
.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="71">
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2020" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pubimarginata" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="pubimarginata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Selaginella pubimarginata</emphasis>
|
||
</taxonomicName>
|
||
belongs in the "
|
||
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella deltoides" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="deltoides">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Selaginella deltoides</emphasis>
|
||
</taxonomicName>
|
||
group", and among species in this alliance it is morphologically close to
|
||
<taxonomicName lsidName="S. albolineata" pageId="0" pageNumber="71" rank="species" species="albolineata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">S. albolineata</emphasis>
|
||
</taxonomicName>
|
||
and
|
||
<taxonomicName lsidName="S. papillosa" pageId="0" pageNumber="71" rank="species" species="papillosa">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">S. papillosa</emphasis>
|
||
</taxonomicName>
|
||
. It is set aside from
|
||
<taxonomicName lsidName="S. albolineata" pageId="0" pageNumber="71" rank="species" species="albolineata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">S. albolineata</emphasis>
|
||
</taxonomicName>
|
||
by characters listed in the diagnosis.
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2020" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pubimarginata" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="pubimarginata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Selaginella pubimarginata</emphasis>
|
||
</taxonomicName>
|
||
is distinct from
|
||
<taxonomicName lsidName="S. albolineata" pageId="0" pageNumber="71" rank="species" species="albolineata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">S. albolineata</emphasis>
|
||
</taxonomicName>
|
||
by its axillary leaves ovate-deltate (vs. ovate-elliptic) with acute to attenuate to shortly acuminate (vs. obtuse to rounded) apices, lateral leaf upper surfaces without (vs. with many) idioblasts, and median leaf upper surfaces with a single, elongate and papillate idioblast on either the outer or inner halves of the laminae (vs. with two or three, elongate, and papillate idioblasts on the outer and inner halves of the laminae).
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2020" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pubimarginata" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="pubimarginata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Selaginella pubimarginata</emphasis>
|
||
</taxonomicName>
|
||
differs most noticeable from the also similar
|
||
<taxonomicName lsidName="S. papillosa" pageId="0" pageNumber="71" rank="species" species="papillosa">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">S. papillosa</emphasis>
|
||
</taxonomicName>
|
||
by its median leaf upper surfaces with a single (vs. lacking) elongate and papillate idioblasts on either the outer or inner halves of the laminae, with (vs. lacking) one or two, teeth-like hairs on mid, submarginal portion of the outer half of the laminae, and laminae comprised of rounded, sinuate-walled cells with the cell lumina including 1-5 (vs. 4-15) rounded (vs. conical) and not protruding (vs protruding or elevated) papillae, as well as apices covered by (vs. without) teeth-like, short hairs. In addition, the lateral leaf upper surfaces of
|
||
<taxonomicName lsidName="S. pubimarginata" pageId="0" pageNumber="71" rank="species" species="pubimarginata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">S. pubimarginata</emphasis>
|
||
</taxonomicName>
|
||
are covered by many (vs. few) ca. 40 (vs. 3-5) short hairs or teeth-like projections along submarginal portion of basiscopic margins and on distal, apical portion (vs. concentrate on distal most portion) of apices. Finally,
|
||
<taxonomicName lsidName="S. pubimarginata" pageId="0" pageNumber="71" rank="species" species="pubimarginata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">S. pubimarginata</emphasis>
|
||
</taxonomicName>
|
||
is further distinct from
|
||
<taxonomicName lsidName="S. papillosa" pageId="0" pageNumber="71" rank="species" species="papillosa">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">S. papillosa</emphasis>
|
||
</taxonomicName>
|
||
by its rugulate (vs. rugulate-reticulate) megaspores on proximal faces with a slightly developed (vs. with a well-developed) equatorial flange, with microstructure sparsely (vs. abundantly) covered by short- (vs. long-) echinae and distal faces slightly (vs. strongly) reticulate with open (vs. with open and closed) reticulae delimited by low (vs. high) muri.
|
||
</paragraph>
|
||
<paragraph pageId="0" pageNumber="71">
|
||
All specimens of
|
||
<taxonomicName lsidName="S. pubimarginata" pageId="0" pageNumber="71" rank="species" species="pubimarginata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">S. pubimarginata</emphasis>
|
||
</taxonomicName>
|
||
here cited were previously identified either as
|
||
<taxonomicName lsidName="S. brevifolia" pageId="0" pageNumber="71" rank="species" species="brevifolia">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">S. brevifolia</emphasis>
|
||
</taxonomicName>
|
||
or
|
||
<taxonomicName lsidName="S. brevifolia" pageId="0" pageNumber="71" rank="species" species="brevifolia">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">S. brevifolia</emphasis>
|
||
</taxonomicName>
|
||
vel aff.
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2020" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pubimarginata" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="pubimarginata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Selaginella pubimarginata</emphasis>
|
||
</taxonomicName>
|
||
is set aside from
|
||
<taxonomicName lsidName="S. brevifolia" pageId="0" pageNumber="71" rank="species" species="brevifolia">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">S. brevifolia</emphasis>
|
||
</taxonomicName>
|
||
by its median leaf ovate-orbicular to orbicular (vs. ovate) with the laminae almost as wide as long (vs. longer than wider) with outer and inner leaf halves about the same width (vs. outer leaf half frequently wider than the inner leaf half), attenuate to shortly acuminate (vs. long-aristate) apices, each acumen ⅕-
|
||
<normalizedToken originalValue="¼">1/4</normalizedToken>
|
||
(vs. ⅓-
|
||
<normalizedToken originalValue="½">1/2</normalizedToken>
|
||
) the length of the leaf lamina, and margins obscurely hyaline or greenish (vs. conspicuously hyaline, especially the outer margin).
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2020" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pubimarginata" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="pubimarginata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Selaginella pubimarginata</emphasis>
|
||
</taxonomicName>
|
||
differs further from
|
||
<taxonomicName lsidName="S. brevifolia" pageId="0" pageNumber="71" rank="species" species="brevifolia">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">S. brevifolia</emphasis>
|
||
</taxonomicName>
|
||
by its lateral leaf upper surfaces when viewed with a dissecting scope with midribs not marked and of the same color as the laminae (vs. well-marked and straw-colored) and laminae epidermal cells inconspicuously (vs. conspicuously) rounded, and long-ciliate along proximal
|
||
<normalizedToken originalValue="½">1/2</normalizedToken>
|
||
(vs.
|
||
<normalizedToken originalValue="½-¾">1/2-3/4</normalizedToken>
|
||
) margins.
|
||
</paragraph>
|
||
<caption doi="10.3897/phytokeys.159.55330.figure12" httpUri="https://binary.pensoft.net/fig/449483" pageId="0" pageNumber="71" start="Figure 12" startId="F12">
|
||
<paragraph pageId="0" pageNumber="71">
|
||
<emphasis bold="true" pageId="0" pageNumber="71">Figure 12.</emphasis>
|
||
<taxonomicName authorityName="Valdespino" authorityYear="2020" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella pubimarginata" order="Selaginellales" pageId="0" pageNumber="71" phylum="Tracheophyta" rank="species" species="pubimarginata">
|
||
<emphasis italics="true" pageId="0" pageNumber="71">Selaginella pubimarginata</emphasis>
|
||
</taxonomicName>
|
||
Valdespino.
|
||
<emphasis bold="true" pageId="0" pageNumber="71">A</emphasis>
|
||
Megaspore, proximal face
|
||
<emphasis bold="true" pageId="0" pageNumber="71">B</emphasis>
|
||
detail of megaspore, proximal face
|
||
<emphasis bold="true" pageId="0" pageNumber="71">C</emphasis>
|
||
megaspore, distal face
|
||
<emphasis bold="true" pageId="0" pageNumber="71">D</emphasis>
|
||
detail of megaspore, distal face
|
||
<emphasis bold="true" pageId="0" pageNumber="71">E</emphasis>
|
||
microspore, proximal face
|
||
<emphasis bold="true" pageId="0" pageNumber="71">F</emphasis>
|
||
detail of microspore, proximal face
|
||
<emphasis bold="true" pageId="0" pageNumber="71">G</emphasis>
|
||
microspore, distal face
|
||
<emphasis bold="true" pageId="0" pageNumber="71">H</emphasis>
|
||
detail of microspore, distal face.
|
||
<emphasis bold="true" pageId="0" pageNumber="71">A-H</emphasis>
|
||
taken from the holotype.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |