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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.91.21417" ID-PMC="PMC5740456" ID-Pensoft-Pub="1314-2003-91-13" ID-Pensoft-UUID="0A702831FF9FFF89FFC9FF88FF9DCD49" ID-PubMed="29308039" ID-Zenodo-Dep="1138393" ModsDocID="1314-2003-91-13" checkinTime="1511910970794" checkinUser="pensoft" docAuthor="Valdespino, Ivan A." docDate="2017" docId="D9B848161E4849B163A13E103B51B674" docLanguage="en" docName="PhytoKeys 91: 13-38" docOrigin="PhytoKeys 91" docPubDate="2017-11-28" docSource="http://dx.doi.org/10.3897/phytokeys.91.21417" docTitle="Selaginella squamulosa Valdespino 2017, sp. nov." docType="treatment" docVersion="7" id="0A702831FF9FFF89FFC9FF88FF9DCD49" lastPageNumber="21" masterDocId="0A702831FF9FFF89FFC9FF88FF9DCD49" masterDocTitle="Novel fern- and centipede-like Selaginella (Selaginellaceae) species and a new combination from South America" masterLastPageNumber="38" masterPageNumber="13" pageNumber="17" updateTime="1668142145615" updateUser="ExternalLinkService">
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
<mods:titleInfo>
<mods:title>Novel fern- and centipede-like Selaginella (Selaginellaceae) species and a new combination from South America</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 &amp; Sistema Nacional de Investigacion (SNI), SENACYT, Panama</mods:affiliation>
<mods:nameIdentifier type="email">iavaldespino@gmail.com</mods:nameIdentifier>
</mods:name>
<mods:typeOfResource>text</mods:typeOfResource>
<mods:relatedItem type="host">
<mods:titleInfo>
<mods:title>PhytoKeys</mods:title>
</mods:titleInfo>
<mods:part>
<mods:date>2017</mods:date>
<mods:detail type="pubDate">
<mods:number>2017-11-28</mods:number>
</mods:detail>
<mods:detail type="volume">
<mods:number>91</mods:number>
</mods:detail>
<mods:extent unit="page">
<mods:start>13</mods:start>
<mods:end>38</mods:end>
</mods:extent>
</mods:part>
</mods:relatedItem>
<mods:location>
<mods:url>http://dx.doi.org/10.3897/phytokeys.91.21417</mods:url>
</mods:location>
<mods:classification>journal article</mods:classification>
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.91.21417</mods:identifier>
<mods:identifier type="Pensoft-Pub">1314-2003-91-13</mods:identifier>
<mods:identifier type="Pensoft-UUID">0A702831FF9FFF89FFC9FF88FF9DCD49</mods:identifier>
<mods:identifier type="Zenodo-Dep">1138393</mods:identifier>
</mods:mods>
<treatment ID-GBIF-Taxon="137580736" LSID="urn:lsid:plazi:treatment:D9B848161E4849B163A13E103B51B674" httpUri="http://treatment.plazi.org/id/D9B848161E4849B163A13E103B51B674" lastPageId="8" lastPageNumber="21" pageId="4" pageNumber="17">
<subSubSection pageId="4" pageNumber="17" type="nomenclature">
<paragraph pageId="4" pageNumber="17">
<taxonomicName LSID="D9B84816-1E48-49B1-63A1-3E103B51B674" authority="Valdespino" authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="4" pageNumber="17" phylum="Lycopodiophyta" rank="species" species="squamulosa" status="sp. nov.">Selaginella squamulosa Valdespino</taxonomicName>
<taxonomicNameLabel pageId="4" pageNumber="17">sp. nov.</taxonomicNameLabel>
<figureCitation captionStart="Figure 6" captionStartId="F6" captionText="Figure 6. Selaginella squamulosa Valdespino. Holotype, Steyermark 103872 (NY)." figureDoi="10.3897/phytokeys.91.21417.figure6" httpUri="https://binary.pensoft.net/fig/171023" pageId="4" pageNumber="17">Figures 6</figureCitation>
<figureCitation captionStart="Figure 7" captionStartId="F7" captionText="Figure 7. Selaginella squamulosa Valdespino. A Habit B Upper surface of stem showing median leaves C Lower surface of stem showing lateral leaves and axillary leaf D Close-up of strobili (apices of branches), upper surface. A-D line drawings of holotype, Steyermark 103872 (NY). Illustration made by Ruben Lozano." figureDoi="10.3897/phytokeys.91.21417.figure7" httpUri="https://binary.pensoft.net/fig/171024" pageId="4" pageNumber="17">, 7</figureCitation>
<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Selaginella squamulosa Valdespino. A-B Habit C Upper surface of stem showing median leaves D Lower surface of stem showing lateral leaves and axillary leaf E Close-up of distal portion of stem, upper surface. A-E line drawings of paratype, Boom et al. 6011 (NY). Illustration made by Ruben Lozano." figureDoi="10.3897/phytokeys.91.21417.figure8" httpUri="https://binary.pensoft.net/fig/171025" pageId="4" pageNumber="17">, 8</figureCitation>
<figureCitation captionStart="Figure 9" captionStartId="F9" captionText="Figure 9. Selaginella squamulosa Valdespino. A Section of upper surface of stem B Close-up of median leaf, upper surface; note, elongate, idioblast-like marginal cells on inner margin and submarginal and marginal stomata (a) along proximal 1 / 2 of outer margin and hairs (b) on lamina surface C Close-up of mid-distal portion of median leaf, upper surface (same leaf shown in B); note, elongate, idioblast-like marginal cells on inner margin, papillae on each cell lumen and hairs (b) on lamina surface D Section of lower surface of stem E Close-up of lateral leaf, lower surface F Close-up of section of acroscopic half of lateral leaf; note, papillae on cells lumen and marginal, idioblast-like and papillate cells. A-F taken from paratype, Boom et al. 6011 (NY)." figureDoi="10.3897/phytokeys.91.21417.figure9" httpUri="https://binary.pensoft.net/fig/171026" pageId="4" pageNumber="17">, 9</figureCitation>
<figureCitation captionStart="Figure 10" captionStartId="F10" captionText="Figure 10. Selaginella squamulosa Valdespino. A Megaspore, proximal face B Close-up of megaspore, proximal face C Megaspore, distal face D Close-up of megaspore, distal face. A-D taken from paratype, Boom et al. 6011 (NY)." figureDoi="10.3897/phytokeys.91.21417.figure10" httpUri="https://binary.pensoft.net/fig/171027" pageId="4" pageNumber="17">, 10</figureCitation>
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="18" type="diagnosis">
<paragraph pageId="5" pageNumber="18">
<pageBreakToken pageId="5" pageNumber="18" start="start">Diagnosis</pageBreakToken>
.
</paragraph>
<paragraph pageId="5" pageNumber="18">
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="5" pageNumber="18" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="5" pageNumber="18">Selaginella squamulosa</emphasis>
</taxonomicName>
is set aside from similar
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. psittacorhyncha" order="Selaginellales" pageId="5" pageNumber="18" phylum="Lycopodiophyta" rank="species" species="psittacorhyncha">
<emphasis italics="true" pageId="5" pageNumber="18">S. psittacorhyncha</emphasis>
</taxonomicName>
and
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. vernicosa" order="Selaginellales" pageId="5" pageNumber="18" phylum="Lycopodiophyta" rank="species" species="vernicosa">
<emphasis italics="true" pageId="5" pageNumber="18">S. vernicosa</emphasis>
</taxonomicName>
by its median leaves upper surfaces with 10 (vs. with 25 in
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. psittacorhyncha" order="Selaginellales" pageId="5" pageNumber="18" phylum="Lycopodiophyta" rank="species" species="psittacorhyncha">
<emphasis italics="true" pageId="5" pageNumber="18">S. psittacorhyncha</emphasis>
</taxonomicName>
and 35 in
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. vernicosa" order="Selaginellales" pageId="5" pageNumber="18" phylum="Lycopodiophyta" rank="species" species="vernicosa">
<emphasis italics="true" pageId="5" pageNumber="18">S. vernicosa</emphasis>
</taxonomicName>
) stomata along the midribs. It differs further from
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. psittacorhyncha" order="Selaginellales" pageId="5" pageNumber="18" phylum="Lycopodiophyta" rank="species" species="psittacorhyncha">
<emphasis italics="true" pageId="5" pageNumber="18">S. psittacorhyncha</emphasis>
</taxonomicName>
by its lateral leaf acute (vs. obtuse) apices and hyaline (vs. greenish) margins and median leaf bases oblique (vs. truncate) and from
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. vernicosa" order="Selaginellales" pageId="5" pageNumber="18" phylum="Lycopodiophyta" rank="species" species="vernicosa">
<emphasis italics="true" pageId="5" pageNumber="18">S. vernicosa</emphasis>
</taxonomicName>
by the median leaf upper surfaces made up of quadrangular and rectangular (vs. undistinguishable, somewhat appearing quadrangular or elongate) papillate cells and lateral leaf margins on acroscopic side serrate to denticulate (vs. short-ciliate, at least along proximal ⅔) and on basiscopic side sparingly denticulate or entire to slightly denticulate distally (vs. short-ciliate at least along proximal ⅓).
</paragraph>
</subSubSection>
<subSubSection pageId="5" pageNumber="18" type="materials_examined">
<paragraph pageId="5" pageNumber="18">
<typeStatus>Type</typeStatus>
.
</paragraph>
<paragraph pageId="5" pageNumber="18">
<materialsCitation collectingDate="1970-10-10" collectingDateMax="1970-10-15" collectingDateMin="1970-10-10" collectorName="J. A. Steyermark" country="Venezuela" county="Rio Titirico" elevation="2300" location="Venezuelan" municipality="Planicie de Zuluaga" specimenCount="1" typeStatus="holotype">
<collectingCountry name="Venezuela">Venezuela</collectingCountry>
-
<collectingCountry name="Brazil">Brazil</collectingCountry>
.
<location LSID="urn:lsid:plazi:treatment:D9B848161E4849B163A13E103B51B674:AA45E391EE7787C4877BF4B9237A539B" country="Venezuela" county="Rio Titirico" municipality="Planicie de Zuluaga" name="Venezuelan">Venezuelan</location>
,
<location LSID="urn:lsid:plazi:treatment:D9B848161E4849B163A13E103B51B674:D0EEA40271E72E0F2ED0F0276A73FEC8" country="Venezuela" county="Rio Titirico" municipality="Planicie de Zuluaga" name="Brazilian">Brazilian</location>
frontier,
<collectingMunicipality>Planicie de Zuluaga</collectingMunicipality>
,
<collectingCounty>
<normalizedToken originalValue="Río">Rio</normalizedToken>
Titirico
</collectingCounty>
,
<quantity metricMagnitude="3" metricUnit="m" metricValue="2.3" unit="m" value="2300.0">
<elevation metricMagnitude="3" metricUnit="m" metricValue="2.3" unit="m" value="2300.0">2300 m</elevation>
</quantity>
,
<collectingDate value="1970-10-10" valueMax="1970-10-15" valueMin="1970-10-10">10-15 Oct 1970</collectingDate>
,
<emphasis italics="true" pageId="5" pageNumber="18">
<collectorName>J.A. Steyermark</collectorName>
103872
</emphasis>
(
<typeStatus>holotype</typeStatus>
: NY; isotypes: MO, PMA)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection lastPageId="6" lastPageNumber="19" pageId="5" pageNumber="18" type="description">
<paragraph pageId="5" pageNumber="18">Description.</paragraph>
<paragraph lastPageId="6" lastPageNumber="19" pageId="5" pageNumber="18">
<emphasis italics="true" pageId="5" pageNumber="18">Plants</emphasis>
terrestrial, epiphytic or epipetric.
<emphasis italics="true" pageId="5" pageNumber="18">Stems</emphasis>
creeping, stramineous, 10-20 cm long, 0.4-0.8 mm diam., non-articulate, often flagelliform, not stoloniferous, 1-2(3)-branched.
<emphasis italics="true" pageId="5" pageNumber="18">Rhizophores</emphasis>
axillary along proximal
<normalizedToken originalValue="½">1/2</normalizedToken>
of stem, filiform, 0.1 to 0.2 mm diam.
<emphasis italics="true" pageId="5" pageNumber="18">Leaves</emphasis>
dimorphic, coriaceous.
<emphasis italics="true" pageId="5" pageNumber="18">Lateral leaves</emphasis>
distant to imbricate towards stem and branch apices, ascending, broadly deltate-ovate, broadly ovate or ovate-elliptic, (1.0)1.3-1.7
<normalizedToken originalValue="×">x</normalizedToken>
0.8-1.7 mm; bases rounded, acroscopic bases overlapping the stem, basiscopic bases free from the stem; margins hyaline, made up of a band 2-4 cells wide, the cells elongate and papillate, parallel to margin, papillae in a single row over cell lumen, acroscopic margins serrate to denticulate, basiscopic margins sparingly denticulate or entire to slightly denticulate distally; apices broadly acute to acute, tipped by 2-4 teeth; both surfaces without idioblasts, upper surfaces mostly glabrous but with short hairs on submarginal
<pageBreakToken pageId="6" pageNumber="19" start="start">and</pageBreakToken>
marginal sections of basiscopic half of the lamina, made up of quadrangular to rectangular, irregularly-walled, papillate or not cells, papillae 5-10 over cell lumen arranged in 2 or 3 rows, midribs not prominent, without stomata, lower surfaces glabrous, made up of elongate or asymmetric, straight or slightly sinuate-walled, papillate cells, papillae 8-20 over cell lumen arranged in 2 or 3 rows, midribs raised and prominent at mid-distal section of lamina, stomata concentrated on raised portion of midribs.
<emphasis italics="true" pageId="6" pageNumber="19">Median leaves</emphasis>
distant to imbricate towards stem and branch tips, ascending and, on branches, they may arise at ca. 45° angle, ovate to ovate-deltate, 1.0-1.5
<normalizedToken originalValue="×">x</normalizedToken>
0.6-1.0 mm; bases oblique, inner bases truncate to rounded, outer bases ventricose and often tufted with 2-8 very short hair or teeth; inner margins narrowly hyaline, made up of a band 1 or 2 cells wide, the cells elongate and papillate, parallel to margin, papillae in a single row over cell lumen, serrate to denticulate, outer margins greenish, denticulate at proximal
<normalizedToken originalValue="¼">1/4</normalizedToken>
, otherwise sparingly denticulate or entire along middle and denticulate at distal
<normalizedToken originalValue="¼">1/4</normalizedToken>
; apices acute, tipped by 2-4 teeth; both surfaces without idioblasts, upper surfaces mostly glabrous but occasionally with short hairs near marginal, submarginal and submedial section of outer half and on submedial section of inner half near distal
<normalizedToken originalValue="¼">1/4</normalizedToken>
, made up of quadrangular or with some rectangular, irregularly-walled, papillate cells, papillae 5-10 over cell lumen arranged in 2 or 3 rows, midribs raised and prominent or bevelled specially at mid-distal section of each laminae, stomata concentrated on raised portion of midribs and some marginal on lower
<normalizedToken originalValue="½">1/2</normalizedToken>
of outer margins, lower surfaces glabrous, made up of elongate or asymmetric, straight or slightly sinuate-walled cells, midribs not prominent.
<emphasis italics="true" pageId="6" pageNumber="19">Axillary leaves</emphasis>
similar to lateral leaves.
<emphasis italics="true" pageId="6" pageNumber="19">Strobili</emphasis>
terminal and single on branch tips, quadrangular, 0.5-5 mm long.
<emphasis italics="true" pageId="6" pageNumber="19">Sporophylls</emphasis>
monomorphic, without a laminar flap, ovate to ovate-elliptic, 0.9-1.3
<normalizedToken originalValue="×">x</normalizedToken>
0.5-1.3 mm, with a keel along midrib on upper surfaces; base rounded; margins greenish, minutely denticulate to entire; apices acute; both surfaces without conspicuous idioblasts, both surfaces glabrous;
<emphasis italics="true" pageId="6" pageNumber="19">dorsal sporophylls</emphasis>
with upper surfaces green, except for the half that overlaps the ventral sporophylls where it is hyaline, lower surfaces greenish-hyaline;
<emphasis italics="true" pageId="6" pageNumber="19">ventral sporophylls</emphasis>
with both surfaces greenish-hyaline.
<emphasis italics="true" pageId="6" pageNumber="19">Megasporangia</emphasis>
one or two at the base of ventral rows;
<emphasis italics="true" pageId="6" pageNumber="19">megaspore</emphasis>
yellow, rugulate-reticulate on proximal faces with fissurate microstructure, reticulate-granular on distal faces with granulose and perforate microstructure, 410-445
<normalizedToken originalValue="μm">μm</normalizedToken>
diam.
<emphasis italics="true" pageId="6" pageNumber="19">Microsporangia</emphasis>
in dorsal rows and distal
<normalizedToken originalValue="¾">3/4</normalizedToken>
of ventral rows;
<emphasis italics="true" pageId="6" pageNumber="19">microspores</emphasis>
deep orange, proximal and distal faces not studied and not measured.
</paragraph>
<caption ID-Zenodo-Dep="1138409" doi="10.3897/phytokeys.91.21417.figure6" httpUri="https://binary.pensoft.net/fig/171023" pageId="6" pageNumber="19" start="Figure 6" startId="F6">
<paragraph pageId="6" pageNumber="19">
<emphasis bold="true" pageId="6" pageNumber="19">Figure 6.</emphasis>
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="6" pageNumber="19" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="6" pageNumber="19">Selaginella squamulosa</emphasis>
</taxonomicName>
Valdespino. Holotype,
<emphasis italics="true" pageId="6" pageNumber="19">Steyermark 103872</emphasis>
(NY).
</paragraph>
</caption>
<caption ID-Zenodo-Dep="1138411" doi="10.3897/phytokeys.91.21417.figure7" httpUri="https://binary.pensoft.net/fig/171024" pageId="6" pageNumber="19" start="Figure 7" startId="F7">
<paragraph pageId="6" pageNumber="19">
<emphasis bold="true" pageId="6" pageNumber="19">Figure 7.</emphasis>
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="6" pageNumber="19" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="6" pageNumber="19">Selaginella squamulosa</emphasis>
</taxonomicName>
Valdespino.
<emphasis bold="true" pageId="6" pageNumber="19">A</emphasis>
Habit
<emphasis bold="true" pageId="6" pageNumber="19">B</emphasis>
Upper surface of stem showing median leaves
<emphasis bold="true" pageId="6" pageNumber="19">C</emphasis>
Lower surface of stem showing lateral leaves and axillary leaf
<emphasis bold="true" pageId="6" pageNumber="19">D</emphasis>
Close-up of strobili (apices of branches), upper surface.
<emphasis bold="true" pageId="6" pageNumber="19">A-D</emphasis>
line drawings of holotype,
<emphasis italics="true" pageId="6" pageNumber="19">Steyermark 103872</emphasis>
(NY). Illustration made by
<normalizedToken originalValue="Rubén">Ruben</normalizedToken>
Lozano.
</paragraph>
</caption>
<caption ID-Zenodo-Dep="1138413" doi="10.3897/phytokeys.91.21417.figure8" httpUri="https://binary.pensoft.net/fig/171025" pageId="6" pageNumber="19" start="Figure 8" startId="F8">
<paragraph pageId="6" pageNumber="19">
<emphasis bold="true" pageId="6" pageNumber="19">Figure 8.</emphasis>
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="6" pageNumber="19" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="6" pageNumber="19">Selaginella squamulosa</emphasis>
</taxonomicName>
Valdespino.
<emphasis bold="true" pageId="6" pageNumber="19">A-B</emphasis>
Habit
<emphasis bold="true" pageId="6" pageNumber="19">C</emphasis>
Upper surface of stem showing median leaves
<emphasis bold="true" pageId="6" pageNumber="19">D</emphasis>
Lower surface of stem showing lateral leaves and axillary leaf
<emphasis bold="true" pageId="6" pageNumber="19">E</emphasis>
Close-up of distal portion of stem, upper surface.
<emphasis bold="true" pageId="6" pageNumber="19">A-E</emphasis>
line drawings of paratype,
<emphasis italics="true" pageId="6" pageNumber="19">Boom et al. 6011</emphasis>
(NY). Illustration made by
<normalizedToken originalValue="Rubén">Ruben</normalizedToken>
Lozano.
</paragraph>
</caption>
<caption ID-Zenodo-Dep="1138415" doi="10.3897/phytokeys.91.21417.figure9" httpUri="https://binary.pensoft.net/fig/171026" pageId="6" pageNumber="19" start="Figure 9" startId="F9">
<paragraph pageId="6" pageNumber="19">
<emphasis bold="true" pageId="6" pageNumber="19">Figure 9.</emphasis>
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="6" pageNumber="19" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="6" pageNumber="19">Selaginella squamulosa</emphasis>
</taxonomicName>
Valdespino.
<emphasis bold="true" pageId="6" pageNumber="19">A</emphasis>
Section of upper surface of stem
<emphasis bold="true" pageId="6" pageNumber="19">B</emphasis>
Close-up of median leaf, upper surface; note, elongate, idioblast-like marginal cells on inner margin and submarginal and marginal stomata (a) along proximal
<normalizedToken originalValue="½">1/2</normalizedToken>
of outer margin and hairs (b) on lamina surface
<emphasis bold="true" pageId="6" pageNumber="19">C</emphasis>
Close-up of mid-distal portion of median leaf, upper surface (same leaf shown in B); note, elongate, idioblast-like marginal cells on inner margin, papillae on each cell lumen and hairs (b) on lamina surface
<emphasis bold="true" pageId="6" pageNumber="19">D</emphasis>
Section of lower surface of stem
<emphasis bold="true" pageId="6" pageNumber="19">E</emphasis>
Close-up of lateral leaf, lower surface
<emphasis bold="true" pageId="6" pageNumber="19">F</emphasis>
Close-up of section of acroscopic half of lateral leaf; note, papillae on cells lumen and marginal, idioblast-like and papillate cells.
<emphasis bold="true" pageId="6" pageNumber="19">A-F</emphasis>
taken from paratype,
<emphasis italics="true" pageId="6" pageNumber="19">Boom et al. 6011</emphasis>
(NY).
</paragraph>
</caption>
<caption ID-Zenodo-Dep="1138397" doi="10.3897/phytokeys.91.21417.figure10" httpUri="https://binary.pensoft.net/fig/171027" pageId="6" pageNumber="19" start="Figure 10" startId="F10">
<paragraph pageId="6" pageNumber="19">
<emphasis bold="true" pageId="6" pageNumber="19">Figure 10.</emphasis>
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="6" pageNumber="19" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="6" pageNumber="19">Selaginella squamulosa</emphasis>
</taxonomicName>
Valdespino.
<emphasis bold="true" pageId="6" pageNumber="19">A</emphasis>
Megaspore, proximal face
<emphasis bold="true" pageId="6" pageNumber="19">B</emphasis>
Close-up of megaspore, proximal face
<emphasis bold="true" pageId="6" pageNumber="19">C</emphasis>
Megaspore, distal face
<emphasis bold="true" pageId="6" pageNumber="19">D</emphasis>
Close-up of megaspore, distal face.
<emphasis bold="true" pageId="6" pageNumber="19">A-D</emphasis>
taken from paratype,
<emphasis italics="true" pageId="6" pageNumber="19">Boom et al. 6011</emphasis>
(NY).
</paragraph>
</caption>
</subSubSection>
<subSubSection pageId="6" pageNumber="19" type="habitat">
<paragraph pageId="6" pageNumber="19">Habitat, distribution and phenology.</paragraph>
<paragraph pageId="6" pageNumber="19">
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="6" pageNumber="19" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="6" pageNumber="19">Selaginella squamulosa</emphasis>
</taxonomicName>
grows as a terrestrial, epiphytic or epipetric plant on open slopes to cliff base, in rills and wet depressions of swampy savannas or on scrub dominated forests at 1950-2743 m; it is known from the Guiana Highlands in Cerro de la Neblina, Amazonas State of Venezuela and in
<normalizedToken originalValue="Río">Rio</normalizedToken>
<normalizedToken originalValue="Cuaburí">Cuaburi</normalizedToken>
, Amazonas State of Brazil and found fertile from October through to February.
</paragraph>
</subSubSection>
<subSubSection lastPageId="7" lastPageNumber="20" pageId="6" pageNumber="19" type="etymology">
<paragraph pageId="6" pageNumber="19">Etymology.</paragraph>
<paragraph pageId="6" pageNumber="19">
The specific epithet derives from the Latin &quot;
<emphasis italics="true" pageId="6" pageNumber="19">squamulosus</emphasis>
&quot;, meaning minutely scaly and refers to the tiny, stiff leaves that resemble small scales.
</paragraph>
<paragraph lastPageId="7" lastPageNumber="20" pageId="6" pageNumber="19">
<emphasis bold="true" pageId="6" pageNumber="19">Conservation status.</emphasis>
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="6" pageNumber="19" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="6" pageNumber="19">Selaginella squamulosa</emphasis>
</taxonomicName>
is known from two distinct localities at high elevation in isolated tepuis in the Amazon basin of Venezuela and Brazil where
<pageBreakToken pageId="7" pageNumber="20" start="start">human</pageBreakToken>
presence is scarce and immediate threats have not been reported. Therefore, it is tentatively considered of Least Concern (LC) according to
<bibRefCitation author="IUCN" journalOrPublisher="W. Engelmann, Leipzig" pageId="12" pageNumber="25" refId="B8" 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>
categories and criteria.
</paragraph>
</subSubSection>
<subSubSection pageId="7" pageNumber="20" type="materials_examined">
<paragraph pageId="7" pageNumber="20">
<typeStatus isOtherTypeStatus="true">Additional specimens examined</typeStatus>
(
<typeStatus>paratypes</typeStatus>
).
</paragraph>
<paragraph pageId="7" pageNumber="20">
<materialsCitation collectingDate="1985-02-05" collectingDateMax="1985-02-27" collectingDateMin="1985-02-05" collectorName="Cerro de la Neblina" country="VENEZUELA" elevation="2150" location="Rio Negro" specimenCount="1" stateProvince="Amazonas">
<emphasis bold="true" pageId="7" pageNumber="20">
<collectingCountry name="Venezuela">VENEZUELA</collectingCountry>
</emphasis>
.
<emphasis bold="true" pageId="7" pageNumber="20">
<collectingRegion country="Brazil" name="Amazonas">Amazonas</collectingRegion>
</emphasis>
: Depto.
<location LSID="urn:lsid:plazi:treatment:D9B848161E4849B163A13E103B51B674:BF2186028FEE397A0428B7071344EC2D" country="VENEZUELA" name="Rio Negro" stateProvince="Amazonas">
<normalizedToken originalValue="Río">Rio</normalizedToken>
Negro
</location>
, Camp VII,
<collectorName>Cerro de la Neblina</collectorName>
,
<locationDeviation location="Pico Phelps">
<quantity metricMagnitude="3" metricUnit="m" metricValue="5.1" unit="km" value="5.1">5.1 km</quantity>
NE of Pico Phelps
</locationDeviation>
(= Neblina),
<quantity metricMagnitude="4" metricUnit="m" metricValue="2.15" unit="km" value="21.5">21.5 km</quantity>
E [of] Neblina Base Camp, ca.
<quantity metricMagnitude="3" metricUnit="m" metricValue="2.15" unit="m" value="2150.0">
<elevation metricMagnitude="3" metricUnit="m" metricValue="2.15" unit="m" value="2150.0">2150 m</elevation>
</quantity>
,
<collectingDate value="1985-02-05">5 Feb 1985</collectingDate>
,
<emphasis italics="true" pageId="7" pageNumber="20">Beitel 85161</emphasis>
(NY-2 sheets, PMA), Neblina Massif, Camp 12, 1950 m,
<collectingDate value="1985-02-26" valueMax="1985-02-27" valueMin="1985-02-26">26-27 Feb 1985</collectingDate>
,
<emphasis italics="true" pageId="7" pageNumber="20">Boom et al. 6011</emphasis>
(NY, PMA, UC)
</materialsCitation>
.
<materialsCitation collectingDate="1965-12-02" country="BRAZIL" elevation="2667" location="Rio Cuaburi" municipality="Rio Negro" specimenCount="1" stateProvince="Amazonas">
<emphasis bold="true" pageId="7" pageNumber="20">
<collectingCountry name="Brazil">BRAZIL</collectingCountry>
</emphasis>
.
<emphasis bold="true" pageId="7" pageNumber="20">
<collectingRegion country="Brazil" name="Amazonas">Amazonas</collectingRegion>
</emphasis>
:
<collectingMunicipality>
<normalizedToken originalValue="Río">Rio</normalizedToken>
Negro
</collectingMunicipality>
,
<location LSID="urn:lsid:plazi:treatment:D9B848161E4849B163A13E103B51B674:74DD8EBA5FF33F03D2232FD27D2BA9EF" country="BRAZIL" municipality="Rio Negro" name="Rio Cuaburi" stateProvince="Amazonas">
<normalizedToken originalValue="Río">Rio</normalizedToken>
<normalizedToken originalValue="Cuaburí">Cuaburi</normalizedToken>
</location>
,
<quantity metricMagnitude="3" metricUnit="m" metricValue="2.667" metricValueMax="2.7432" metricValueMin="2.5908" unit="ft" value="8750.0" valueMax="9000.0" valueMin="8500.0">
<elevation metricMagnitude="3" metricUnit="m" metricValue="2.667" metricValueMax="2.7432" metricValueMin="2.5908" unit="ft" value="8750.0" valueMax="9000.0" valueMin="8500.0">8500-9000 ft</elevation>
</quantity>
[
<quantity metricMagnitude="3" metricUnit="m" metricValue="2.667" metricValueMax="2.743" metricValueMin="2.591" unit="m" value="2667.0" valueMax="2743.0" valueMin="2591.0">
<elevation metricMagnitude="3" metricUnit="m" metricValue="2.667" metricValueMax="2.743" metricValueMin="2.591" unit="m" value="2667.0" valueMax="2743.0" valueMin="2591.0">2591-2743 m</elevation>
</quantity>
],
<collectingDate value="1965-12-02">2 Dec 1965</collectingDate>
,
<emphasis italics="true" pageId="7" pageNumber="20">Maguire et al. 60466</emphasis>
(NY)
</materialsCitation>
.
</paragraph>
</subSubSection>
<subSubSection lastPageId="8" lastPageNumber="21" pageId="7" pageNumber="20" type="discussion">
<paragraph pageId="7" pageNumber="20">Discussion.</paragraph>
<paragraph pageId="7" pageNumber="20">
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="7" pageNumber="20" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="7" pageNumber="20">Selaginella squamulosa</emphasis>
</taxonomicName>
is distinguished by its centipede-like habit with slender and creeping stems, rhizophores restricted to the lower halves of the stems or often present on flagelliform stems and branches (i.e.
<emphasis italics="true" pageId="7" pageNumber="20">Steyermark 103872</emphasis>
, NY), coriaceous, scaly-like leaves with raised and prominent midribs on the lower and upper surfaces of the lateral and median leaves, respectively and acute leaf apices. In addition, the midribs on the upper surfaces of the median leaf are straight to strongly arcuate. In the latter case, the inner half of each leaf lamina becomes slightly wider than the outer one. It is further strikingly distinct by having the lateral leaf acroscopic halves on lower surfaces twice as wide as the basiscopic ones. Furthermore, as noted in other
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella" order="Selaginellales" pageId="7" pageNumber="20" phylum="Lycopodiophyta" rank="genus">
<emphasis italics="true" pageId="7" pageNumber="20">Selaginella</emphasis>
</taxonomicName>
species, on a duplicate specimen of
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. squamulosa" order="Selaginellales" pageId="7" pageNumber="20" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="7" pageNumber="20">S. squamulosa</emphasis>
</taxonomicName>
(i.e.
<emphasis italics="true" pageId="7" pageNumber="20">Steyermark 103872</emphasis>
, MO), a rhizophore becomes a leaf-bearing shoot. Remarkably,
<emphasis italics="true" pageId="7" pageNumber="20">Boom et al</emphasis>
.
<emphasis italics="true" pageId="7" pageNumber="20">6011</emphasis>
(NY, PMA, UC) has a more slender habit with the upper leaf surfaces hispidulous. Apparently, these hairs become caducous since they were not observed in a similar collection (i.e.
<emphasis italics="true" pageId="7" pageNumber="20">Beitel 85161</emphasis>
, NY, PMA) or in the more coriaceous form represented by the type.
</paragraph>
<paragraph pageId="7" pageNumber="20">
The holotype and an isotype of
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="7" pageNumber="20" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="7" pageNumber="20">Selaginella squamulosa</emphasis>
</taxonomicName>
at NY and MO, respectively, were originally identified as
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. cruegeri" order="Selaginellales" pageId="7" pageNumber="20" phylum="Lycopodiophyta" rank="species" species="cruegeri">
<emphasis italics="true" pageId="7" pageNumber="20">S. cruegeri</emphasis>
</taxonomicName>
Jenman vel aff., which is a synonym of
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. minima" order="Selaginellales" pageId="7" pageNumber="20" phylum="Lycopodiophyta" rank="species" species="minima">
<emphasis italics="true" pageId="7" pageNumber="20">S. minima</emphasis>
</taxonomicName>
Spring. The latter species differs most noticeably from
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. squamulosa" order="Selaginellales" pageId="7" pageNumber="20" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="7" pageNumber="20">S. squamulosa</emphasis>
</taxonomicName>
by its ascending (vs. creeping) habit, chartaceous (vs. coriaceous) leaves, median leaf with broadly hyaline margins (vs. inner margins narrowly hyaline and outer margins greenish) and white (vs. yellow) megaspores. A paratype of
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. squamulosa" order="Selaginellales" pageId="7" pageNumber="20" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="7" pageNumber="20">S. squamulosa</emphasis>
</taxonomicName>
(i.e.
<emphasis italics="true" pageId="7" pageNumber="20">Boom et al</emphasis>
.,
<emphasis italics="true" pageId="7" pageNumber="20">6011</emphasis>
, NY, PMA, UC) was determined as
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. rhodostachya" order="Selaginellales" pageId="7" pageNumber="20" phylum="Lycopodiophyta" rank="species" species="rhodostachya">
<emphasis italics="true" pageId="7" pageNumber="20">S. rhodostachya</emphasis>
</taxonomicName>
Baker vel aff. Nevertheless,
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. squamulosa" order="Selaginellales" pageId="7" pageNumber="20" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="7" pageNumber="20">S. squamulosa</emphasis>
</taxonomicName>
is easily set aside from
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. rhodostachya" order="Selaginellales" pageId="7" pageNumber="20" phylum="Lycopodiophyta" rank="species" species="rhodostachya">
<emphasis italics="true" pageId="7" pageNumber="20">S. rhodostachya</emphasis>
</taxonomicName>
by its coriaceous (vs. chartaceous) leaves, oblique (vs. rounded to truncate) median leaf bases with the outer bases ventricose (vs. rounded) and ovate (vs. ovate-elliptic) lateral leaf with its acroscopic margins, as well as both margins of the median leaf serrate to denticulate (vs. often long-ciliate). Another of the paratypes of
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. squamulosa" order="Selaginellales" pageId="7" pageNumber="20" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="7" pageNumber="20">S. squamulosa</emphasis>
</taxonomicName>
(i.e.
<emphasis italics="true" pageId="7" pageNumber="20">Maguire et al. 60466</emphasis>
, NY) was determined as
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. brachyclada" order="Selaginellales" pageId="7" pageNumber="20" phylum="Lycopodiophyta" rank="species" species="brachyclada">
<emphasis italics="true" pageId="7" pageNumber="20">S. brachyclada</emphasis>
</taxonomicName>
Baker. However, it differs from the latter by having the inner and outer margins of the median leaf narrowly hyaline and greenish, respectively (vs. both margins widely hyaline) and serrate to denticulate (vs. faintly denticulate), oblique (vs. truncate) bases, ovate or ovate-elliptic (vs. ovate-cordate) lateral leaf, which is distinctly wider at the middle (vs. at the base), ascending (vs. spreading) and deep yellow (vs. white to light-yellow) megaspores that lack (vs. have) a distinct equatorial flange.
</paragraph>
<paragraph pageId="8" pageNumber="21">
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="8" pageNumber="21">
<pageBreakToken pageId="8" pageNumber="21" start="start">Selaginella</pageBreakToken>
squamulosa
</emphasis>
</taxonomicName>
is part of the &quot;
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella vernicosa" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="vernicosa">
<emphasis italics="true" pageId="8" pageNumber="21">Selaginella vernicosa</emphasis>
</taxonomicName>
group&quot; and, amongst these, it is morphologically close to
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. psittacorhyncha" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="psittacorhyncha">
<emphasis italics="true" pageId="8" pageNumber="21">S. psittacorhyncha</emphasis>
</taxonomicName>
and
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. vernicosa" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="vernicosa">
<emphasis italics="true" pageId="8" pageNumber="21">S. vernicosa</emphasis>
</taxonomicName>
. It differs from these two species by the characters discussed under the diagnosis and by its median leaf with the midribs raised at the distal
<normalizedToken originalValue="½">1/2</normalizedToken>
of the laminae but not properly extending into the apices (vs. extending into the apices) with the upper surfaces occasionally puberulent (vs. glabrous).
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="8" pageNumber="21">Selaginella squamulosa</emphasis>
</taxonomicName>
differs from
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. arrecta" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="arrecta">
<emphasis italics="true" pageId="8" pageNumber="21">S. arrecta</emphasis>
</taxonomicName>
by its median and lateral leaf apices broadly acute to acute (vs. long-acuminate to aristate), median leaf inner margins narrowly (vs. widely) hyaline, which consists of 1 or 2 (vs. 3-5) elongate cells wide and ca. 10 stomata on raised midribs (vs. up to 85 stomata, widespread on central portion of lamina). In addition, in
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. squamulosa" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="8" pageNumber="21">S. squamulosa</emphasis>
</taxonomicName>
, 2-4 teeth tip the acute apices, whereas the acuminate or aristate apices of
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. arrecta" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="arrecta">
<emphasis italics="true" pageId="8" pageNumber="21">S. arrecta</emphasis>
</taxonomicName>
are made of 6-10, narrowly elongate and papillate cells.
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="8" pageNumber="21">Selaginella squamulosa</emphasis>
</taxonomicName>
differs from
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. roraimensis" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="roraimensis">
<emphasis italics="true" pageId="8" pageNumber="21">S. roraimensis</emphasis>
</taxonomicName>
,
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. marahuacae" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="marahuacae">
<emphasis italics="true" pageId="8" pageNumber="21">S. marahuacae</emphasis>
</taxonomicName>
and
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. scalariformis" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="scalariformis">
<emphasis italics="true" pageId="8" pageNumber="21">S. scalariformis</emphasis>
</taxonomicName>
by its narrowly ovate-deltate or ovate (vs. ovate-oblong or oblong in
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. roraimensis" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="roraimensis">
<emphasis italics="true" pageId="8" pageNumber="21">S. roraimensis</emphasis>
</taxonomicName>
and ovate-elliptic in
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. marahuacae" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="marahuacae">
<emphasis italics="true" pageId="8" pageNumber="21">S. marahuacae</emphasis>
</taxonomicName>
and
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. scalariformis" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="scalariformis">
<emphasis italics="true" pageId="8" pageNumber="21">S. scalariformis</emphasis>
</taxonomicName>
) lateral leaves with midribs on lower surfaces distinctly raised (vs. plane in profile).
<taxonomicName authorityName="Valdespino" authorityYear="2017" class="Lycopodiopsida" family="Selaginellaceae" genus="Selaginella" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Selaginella squamulosa" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="squamulosa">
<emphasis italics="true" pageId="8" pageNumber="21">Selaginella squamulosa</emphasis>
</taxonomicName>
is further separated from
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. roraimensis" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="roraimensis">
<emphasis italics="true" pageId="8" pageNumber="21">S. roraimensis</emphasis>
</taxonomicName>
by the lateral leaf basiscopic margins extended (vs. slightly reflexed), from
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. marahuacae" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="marahuacae">
<emphasis italics="true" pageId="8" pageNumber="21">S. marahuacae</emphasis>
</taxonomicName>
by its acute (vs. shortly acuminate) median leaf apices and from
<taxonomicName class="Lycopodiopsida" family="Selaginellaceae" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="S. scalariformis" order="Selaginellales" pageId="8" pageNumber="21" phylum="Lycopodiophyta" rank="species" species="scalariformis">
<emphasis italics="true" pageId="8" pageNumber="21">S. scalariformis</emphasis>
</taxonomicName>
by its distant to imbricate and ascending (vs. distant and patent) lateral leaves.
</paragraph>
</subSubSection>
</treatment>
</document>