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26 KiB
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283 lines
26 KiB
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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.15.3084" ID-PMC="PMC3492929" ID-Pensoft-Pub="1314-2003-15-1" ID-Pensoft-UUID="FF9AC356FFDAFB26FF95FFE3FFA1520C" ID-PubMed="23185125" ID-Zenodo-Dep="576134" ModsDocID="1314-2003-15-1" checkinTime="1451251993896" checkinUser="pensoft" docAuthor="Soreng, Robert J. & Peterson, Paul M." docDate="2012" docId="560EDA14D16152BA8CCEE845797D22A3" docLanguage="en" docName="PhytoKeys 15: 1-104" docOrigin="PhytoKeys 15" docPubDate="2012-08-06" docSource="http://dx.doi.org/10.3897/phytokeys.15.3084" docTitle="Poa fendleriana (Steud.) Vasey, U. S. D. A. Div. Bot. Bull. 13 (2): t. 74. 1893." docType="treatment" docVersion="3" id="FF9AC356FFDAFB26FF95FFE3FFA1520C" lastPageNumber="24" masterDocId="FF9AC356FFDAFB26FF95FFE3FFA1520C" masterDocTitle="Revision of Poa L. (Poaceae, Pooideae, Poeae, Poinae) in Mexico: new records, re-evaluation of P. ruprechtii, and two new species, P. palmeri and P. wendtii" masterLastPageNumber="104" masterPageNumber="1" pageNumber="23" updateTime="1668139833991" 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>Revision of Poa L. (Poaceae, Pooideae, Poeae, Poinae) in Mexico: new records, re-evaluation of P. ruprechtii, and two new species, P. palmeri and P. wendtii</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>Soreng, Robert J.</mods:namePart>
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<mods:affiliation>Department of Botany, National Museum of Natural History, Smithsonian Institution Washington, DC, 20013 - 7012, USA</mods:affiliation>
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</mods:name>
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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>Peterson, Paul M.</mods:namePart>
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<mods:affiliation>Department of Botany, National Museum of Natural History, Smithsonian Institution Washington, DC, 20013 - 7012, USA</mods:affiliation>
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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>2012</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2012-08-06</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>15</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>1</mods:start>
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<mods:end>104</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.15.3084</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.15.3084</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-15-1</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FF9AC356FFDAFB26FF95FFE3FFA1520C</mods:identifier>
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<mods:identifier type="Zenodo-Dep">576134</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182229295" LSID="urn:lsid:plazi:treatment:560EDA14D16152BA8CCEE845797D22A3" httpUri="http://treatment.plazi.org/id/560EDA14D16152BA8CCEE845797D22A3" lastPageId="23" lastPageNumber="24" pageId="22" pageNumber="23">
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<subSubSection pageId="22" pageNumber="23" type="nomenclature">
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<paragraph pageId="22" pageNumber="23">
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8.
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<taxonomicName LSID="560EDA14-D161-52BA-8CCE-E845797D22A3" authority="(Steud.) Vasey, U. S. D. A. Div. Bot. Bull. 13 (2): t. 74. 1893." authorityName="(Steud.) Vasey, U. S. D. A. Div. Bot. Bull. 13 (2): t. 74. 1893." class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa fendleriana" order="Poales" pageId="22" pageNumber="23" phylum="Tracheophyta" rank="species" species="fendleriana">Poa fendleriana (Steud.) Vasey, U.S.D.A. Div. Bot. Bull. 13(2): t. 74. 1893.</taxonomicName>
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<figureCitation captionStart="Figure 8" captionStartId="F8" captionText="Figure 8. Poa fendleriana (Steud.) Vasey. A, B Poa fendleriana subsp. albescens (Hitchc.) Soreng A ligule B floret C-G subsp. fendleriana C habit D inflorescence E ligule F spikelet G floret H, I subsp. longiligula (Scribn. & T. A. Williams) Soreng H ligule I floret. Drawings from Soreng (2007)." httpUri="https://binary.pensoft.net/fig/10143" pageId="22" pageNumber="23">Fig. 8</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="22" pageNumber="23" type="reference_group">
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<paragraph pageId="22" pageNumber="23">
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<taxonomicName authorityName="Steud" authorityYear="1854" class="Monocotyledoneae" family="Poaceae" genus="Eragrostis" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Graminales" pageId="22" pageNumber="23" phylum="Angiospermae" rank="species" species="fendleriana">Eragrostis fendleriana</taxonomicName>
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Steud. Syn. Pl. Glumac. 1: 278. 1854.
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Uralepis" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Poales" pageId="22" pageNumber="23" phylum="Tracheophyta" rank="species" species="poaeoides">
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<emphasis italics="true" pageId="22" pageNumber="23">Uralepis poaeoides</emphasis>
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</taxonomicName>
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Buckley, Proc. Acad. Nat. Sci. Philadelphia 14: 94. 1862.
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<taxonomicName authorityName="Beal" authorityYear="1896" class="Insecta" family="Delphacidae" genus="Atropis" higherTaxonomySource="GBIF" kingdom="Animalia" lsidName="" order="Hemiptera" pageId="22" pageNumber="23" phylum="Arthropoda" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="22" pageNumber="23">Atropis fendleriana</emphasis>
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</taxonomicName>
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(Steud.) Beal, Grass. N. Amer. 2: 576. 1896.
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<taxonomicName authorityName="Kuntze" authorityYear="1891" baseAuthorityName="Steud." class="Monocots" family="Poaceae" genus="Panicularia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Poales" pageId="22" pageNumber="23" phylum="Magnoliophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="22" pageNumber="23">Panicularia fendleriana</emphasis>
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</taxonomicName>
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(Steud.) Kuntze, Revis. Gen. Pl. 2: 782. 1891.
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<taxonomicName class="Monocotyledoneae" family="Poaceae" genus="Puccinellia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Graminales" pageId="22" pageNumber="23" phylum="Angiospermae" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="22" pageNumber="23">Puccinellia fendleriana</emphasis>
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</taxonomicName>
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(Steud.) Ponert, Feddes Repert. 84(9-10): 739. 1974. Type: USA, New Mexico (probably in Santa Fe Canyon above Santa Fe), 1847,
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<emphasis italics="true" pageId="22" pageNumber="23">Fendler 932</emphasis>
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(holotype: P-STEUD; isotypes: CAEN, GH!, NY!, US-2891469! specimen with fragm. ex CAEN, fragm. ex NY, and fragm. ex P-STEUD).
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="23" lastPageNumber="24" pageId="22" pageNumber="23" type="description">
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<paragraph pageId="22" pageNumber="23">Description.</paragraph>
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<paragraph lastPageId="23" lastPageNumber="24" pageId="22" pageNumber="23">
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Dioecious (sometimes strictly pistillate).
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<emphasis bold="true" pageId="22" pageNumber="23">Perennials</emphasis>
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; tufted, sometimes noticeably sub-rhizomatous to long-rhizomatous, tufts dense to a bit loose, generally of medium girth and height (mostly 10-25 cm tall), pale green to bluish-green; tillers mainly intravaginal (each subtended by a single elongated, 2-keeled, longitudinally split prophyll), usually some extravaginal (basally cataphyllous), with lateral or downward tending, cataphyllous shoots, sterile shoots more numerous than flowering shoots.
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<emphasis bold="true" pageId="22" pageNumber="23">Culms</emphasis>
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15-70 cm tall, erect or bases decumbent, slender or sometimes stout, blades strongly reduced upward, terete or weakly compressed, smooth or slightly scabrous above; nodes terete, 0-1 exerted.
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<emphasis bold="true" pageId="22" pageNumber="23">Leaves</emphasis>
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mostly basal; leaf sheaths
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<pageBreakToken pageId="23" pageNumber="24" start="start">terete</pageBreakToken>
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, smooth or scabrous, glabrous or occasionally retrorsely puberulent; bases of butt sheaths thick papery, smooth, glabrous, sub-lustrous; flag leaf sheaths (6-)10-20 or more cm long, margins fused ca. 33% the length, usually more than (5-)9
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<normalizedToken originalValue="×">x</normalizedToken>
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long as its blade; collars smooth or scabrous, glabrous or hispidulous; ligules 0.2-18 mm long, decurrent or not, abaxially smooth or scabrous, upper margin ciliolate or glabrous, apices truncate to acuminate; blades of cauline leaves (0.5-)1-3(-4) mm wide, folded, usually involute on the margins, moderately thick and firm, infrequently moderately thin, abaxially smooth or infrequently scabrous, narrowly prow-tipped; cauline blades steeply reduced in length distally along the culm, flag leaf blades usually absent or very reduced, or some up to 1(-3) cm long; sterile shoot blades usually moderately to densely scabrous or hispidulous on and between the veins, or infrequently nearly smooth and glabrous.
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<emphasis bold="true" pageId="23" pageNumber="24">Panicles</emphasis>
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2-12(-30) cm long, erect, contracted (open in anthesis), narrowly lanceoloid to ovoid, congested (except in flowering), with (15-)25-80 (more than 100) spikelets; rachis with 1-2 branches per node; primary branches erect, fairly stout, terete to weakly angled, smooth or scabrous, prickles not confined to angles; lateral pedicels 1/5-1/4 the spikelet in length, sparsely to fairly densely scabrous, prickles fine to fairly coarse; longest branches 1-8 cm, with 3-15(-25) spikelets.
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<emphasis bold="true" pageId="23" pageNumber="24">Spikelets</emphasis>
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(3-)4-8(-12) mm long, to 3
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<normalizedToken originalValue="×">x</normalizedToken>
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long as wide, sub-lustrous, broadly lanceolate to ovate, laterally compressed, not sexually dimorphic; not bulbiferous; florets 2-7(-13), pistillate or staminate; rachilla internodes terete, usually 0.8-1.3 mm long, smooth, glabrous, sparsely hispidulous, or sparsely softly puberulent to short villous; glumes lanceolate, distinctly keeled, keel smooth or sparingly scabrous, margins fairly broadly scarious, edges smooth or lightly scabrous; apices obtuse to acute; lower glumes distinctly shorter than the lowest lemma, 1-3-veined; upper glumes lanceolate, slightly shorter than lowest lemma, 3-veined; calluses glabrous; lemmas (3-)4.5-6 mm long, lanceolate, pallid green, commonly anthocyanic distinctly keeled, keels and marginal veins short to long villous or softly puberulent, or glabrous, intermediate veins short villous to softly puberulent or glabrous, between veins softly puberulent or glabrous, smooth or sparsely finely scabrous, intermediate veins obscure to moderately prominent, margins narrowly scarious to hyaline, edges smooth or lightly scabrous, apices acute to obtuse, sometimes retusely notched (to 0.25 mm deep); palea keels coarsely scabrous, medially sometimes softly puberulent or long villous, between keels glabrous or infrequently puberulent.
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<emphasis bold="true" pageId="23" pageNumber="24">Flowers</emphasis>
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chasmogamous; lodicules of pistillate plants 0.6-0.85 mm long, broadly lanceolate to ovate, with or without a brief lateral lobe from below the middle (lodicules rudimentary in staminate plants); anthers 2-3.2 mm long, or all vestigial and 0.1-0.2 mm long.
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<emphasis bold="true" pageId="23" pageNumber="24">Caryopses</emphasis>
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2-2.5 mm long, elliptical in side-view, subtrigonous in cross-section, honey-brown, sulcus broad and shallow, hilum 0.25 mm long, round, grain adherent to the palea.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="24" type="distribution">
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<paragraph pageId="23" pageNumber="24">Distribution.</paragraph>
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<paragraph pageId="23" pageNumber="24">The species is widespread in North America and occurs in southwestern and south central Canada, western USA, and northern Mexico in Baja California, Chihuahua, Coahuila, and Sonora.</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="24" type="ecology">
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<paragraph pageId="23" pageNumber="24">Ecology.</paragraph>
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<paragraph pageId="23" pageNumber="24">This dioecious, weakly rhizomatous species occurs in the mountains on open forested slopes derived from calcareous and igneous substrates. It is sometimes strictly pistillate and apomictic. Flowering principally in the spring.</paragraph>
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</subSubSection>
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<subSubSection pageId="23" pageNumber="24" type="discussion">
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<paragraph pageId="23" pageNumber="24">Discussion.</paragraph>
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<paragraph pageId="23" pageNumber="24">
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This species provides good springtime forage where it is abundant and all three subspecies occur in Northern Mexico (
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<bibRefCitation author="Soreng, RJ" journalOrPublisher="Madrono" pageId="69" pageNumber="70" publicationUrl="10.2307/3671807" refId="B60" refString="Soreng, RJ, Van Devender, T, 1989. Late Quaternary fossils of Poa fendleriana (muttongrass): Holocene expansions of apomicts. Southwestern Naturalist 34: 35-45. ., 10.2307/3671807" title="Late Quaternary fossils of Poa fendleriana (muttongrass): Holocene expansions of apomicts. Southwestern Naturalist 34: 35 - 45." url="10.2307/3671807" year="1989">Soreng and Van Devender 1989</bibRefCitation>
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;
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<bibRefCitation author="Soreng, RJ" journalOrPublisher="Australian Systematic Botany" pageId="69" pageNumber="70" refId="B57" refString="Soreng, RJ, Giussani L, M, Negritto, MA, 2003a. Poa. In: Soreng RJ, Davidse G, Peterson P M, Zuloaga FO, Judziewicz EJ, Filgueiras TS, Morrone O (Eds) Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae. Contributions from the United States National Herbarium 48: 505-580." title="Poa. In: Soreng RJ, Davidse G, Peterson P M, Zuloaga FO, Judziewicz EJ, Filgueiras TS, Morrone O (Eds) Catalogue of New World grasses (Poaceae): IV. Subfamily Pooideae. Contributions from the United States National Herbarium 48: 505 - 580." year="2003 a">Soreng et al. 2003a</bibRefCitation>
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). The sex of specimens is indicated here for purposes of estimating the breeding system (geographical and ecological extent of sexual versus asexual reproduction), along with numbers of individuals of each sex where populations were evaluated. Where only or predominately pistillate plants are found, the species usually reproduces apomicticly by seed. No pollen is required to stimulate seed development in apomictic plants of this species (i.e., they are not pseudogamous). Sexual reproduction predominates where staminate plants are found and relatively numerous. Seed is commonly set in 20% or more of flowers in the apomictic populations and usually less than 10% in pistillate plants in sexual populations. Sex-expression is apparently stable in the species of
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="23" pageNumber="24">Poa</emphasis>
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</taxonomicName>
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sect.
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Madropoa" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="23" pageNumber="24">Madropoa</emphasis>
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</taxonomicName>
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, to which
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="23" pageNumber="24">Poa fendleriana</emphasis>
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</taxonomicName>
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belongs. The first author grew samples of the species in a common garden over several years and found that plants did not change sex. Individuals of
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="23" pageNumber="24">Poa fendleriana</emphasis>
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</taxonomicName>
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occasionally have a few perfect-flowered spikelets, and a few populations containing these unusual plants have been found in
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="23" pageNumber="24">Poa fendleriana</emphasis>
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</taxonomicName>
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subsp.
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<emphasis italics="true" pageId="23" pageNumber="24">fendleriana</emphasis>
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in New Mexico and Colorado.
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="23" pageNumber="24">Poa fendleriana</emphasis>
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</taxonomicName>
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subsp.
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<emphasis italics="true" pageId="23" pageNumber="24">albescens</emphasis>
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is a tetraploid whereas the other two subspecies are principally octoploid (
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<bibRefCitation author="Soreng, RJ" journalOrPublisher="Madrono" pageId="69" pageNumber="70" refId="B49" refString="Soreng, RJ, 2005. Miscellaneous chromosome number reports for Poa L. (Poaceae) in North America. Sida 21(4): 2195-2203." title="Miscellaneous chromosome number reports for Poa L. (Poaceae) in North America. Sida 21 (4): 2195 - 2203." year="2005">Soreng 2005</bibRefCitation>
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).
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</paragraph>
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<paragraph pageId="23" pageNumber="24">
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A specimen from 20 mi N of Durango, Oct 7 1955,
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<emphasis italics="true" pageId="23" pageNumber="24">B.Emery 334A</emphasis>
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(TEX), has one flowering culm of
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="23" pageNumber="24">Poa fendleriana</emphasis>
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</taxonomicName>
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mixed in with vegetative parts of
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<taxonomicName authorityName="C.G.D.Nees" authorityYear="1829" class="Liliopsida" family="Poaceae" genus="Trachypogon" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Cyperales" pageId="23" pageNumber="24" phylum="Magnolipsida" rank="genus">
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<emphasis italics="true" pageId="23" pageNumber="24">Trachypogon</emphasis>
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</taxonomicName>
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. The flowers are pistillate and the lemmas are glabrous to sparsely pubescent on the keel; so it appears intermediate between
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="23" pageNumber="24">Poa fendleriana</emphasis>
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</taxonomicName>
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subsp.
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<emphasis italics="true" pageId="23" pageNumber="24">albescens</emphasis>
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and
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="23" pageNumber="24">Poa fendleriana</emphasis>
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</taxonomicName>
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subsp.
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<emphasis italics="true" pageId="23" pageNumber="24">fendleriana</emphasis>
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. However, the habitat seems wrong (low spots in grassland of mesquite,
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<taxonomicName class="Dicotyledoneae" family="Cactaceae" genus="Opuntia" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Cactales" pageId="23" pageNumber="24" phylum="Angiospermae" rank="genus">
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<emphasis italics="true" pageId="23" pageNumber="24">Opuntia</emphasis>
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</taxonomicName>
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, and short grasses), making us wonder if the origin of the one culm stems from a collection sorting error.
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</paragraph>
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<caption httpUri="https://binary.pensoft.net/fig/10143" pageId="23" pageNumber="24" start="Figure 8" startId="F8">
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<paragraph pageId="23" pageNumber="24">
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<emphasis bold="true" pageId="23" pageNumber="24">Figure 8.</emphasis>
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="23" pageNumber="24">Poa fendleriana</emphasis>
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</taxonomicName>
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(Steud.) Vasey.
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<emphasis bold="true" pageId="23" pageNumber="24">A, B</emphasis>
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="23" pageNumber="24">Poa fendleriana</emphasis>
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</taxonomicName>
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subsp.
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<emphasis italics="true" pageId="23" pageNumber="24">albescens</emphasis>
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(Hitchc.) Soreng
|
||
<emphasis bold="true" pageId="23" pageNumber="24">A</emphasis>
|
||
ligule
|
||
<emphasis bold="true" pageId="23" pageNumber="24">B</emphasis>
|
||
floret
|
||
<emphasis bold="true" pageId="23" pageNumber="24">C-G</emphasis>
|
||
subsp.
|
||
<emphasis italics="true" pageId="23" pageNumber="24">fendleriana</emphasis>
|
||
<emphasis bold="true" pageId="23" pageNumber="24">C</emphasis>
|
||
habit
|
||
<emphasis bold="true" pageId="23" pageNumber="24">D</emphasis>
|
||
inflorescence
|
||
<emphasis bold="true" pageId="23" pageNumber="24">E</emphasis>
|
||
ligule
|
||
<emphasis bold="true" pageId="23" pageNumber="24">F</emphasis>
|
||
spikelet
|
||
<emphasis bold="true" pageId="23" pageNumber="24">G</emphasis>
|
||
floret
|
||
<emphasis bold="true" pageId="23" pageNumber="24">H, I</emphasis>
|
||
subsp.
|
||
<emphasis italics="true" pageId="23" pageNumber="24">longiligula</emphasis>
|
||
(Scribn. & T.A.Williams) Soreng
|
||
<emphasis bold="true" pageId="23" pageNumber="24">H</emphasis>
|
||
ligule
|
||
<emphasis bold="true" pageId="23" pageNumber="24">I</emphasis>
|
||
floret. Drawings from
|
||
<bibRefCitation author="Soreng, RJ" journalOrPublisher="Madrono" pageId="69" pageNumber="70" refId="B50" refString="Soreng, RJ, 2007. Poa L. In: Barkworth ME, Capels KM, Long S, Piep MB (Eds) Magnoliophyta: Commelinidae (in part): Poaceae, part 1. Flora of North America North of Mexico, vol. 24. Oxford University Press, New York, 486-601." title="Poa L. In: Barkworth ME, Capels KM, Long S, Piep MB (Eds) Magnoliophyta: Commelinidae (in part): Poaceae, part 1. Flora of North America North of Mexico, vol. 24. Oxford University Press, New York, 486 - 601." year="2007">Soreng (2007)</bibRefCitation>
|
||
.
|
||
</paragraph>
|
||
</caption>
|
||
</subSubSection>
|
||
<subSubSection pageId="23" pageNumber="24" type="key to the subspecies of poa fendleriana">
|
||
<paragraph pageId="23" pageNumber="24">
|
||
Key to the subspecies of
|
||
<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="fendleriana">
|
||
<emphasis italics="true" pageId="23" pageNumber="24">Poa fendleriana</emphasis>
|
||
</taxonomicName>
|
||
</paragraph>
|
||
<paragraph pageId="23" pageNumber="24">
|
||
<table inLine="true" pageId="23" pageNumber="24">
|
||
<tr pageId="23" pageNumber="24">
|
||
<td colspan="1" pageId="23" pageNumber="24" rowspan="1">1</td>
|
||
<td colspan="1" pageId="23" pageNumber="24" rowspan="1">Lemmas glabrous; plants from the Sierra Madre Occidental</td>
|
||
<td colspan="1" pageId="23" pageNumber="24" rowspan="1">
|
||
8a.
|
||
<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="fendleriana">
|
||
<emphasis italics="true" pageId="23" pageNumber="24">Poa fendleriana</emphasis>
|
||
</taxonomicName>
|
||
subsp.
|
||
<emphasis italics="true" pageId="23" pageNumber="24">albescen</emphasis>
|
||
s
|
||
</td>
|
||
</tr>
|
||
<tr pageId="23" pageNumber="24">
|
||
<td colspan="1" pageId="23" pageNumber="24" rowspan="1">-</td>
|
||
<td colspan="1" pageId="23" pageNumber="24" rowspan="1">Lemmas pubescent on the keel and marginal nerves</td>
|
||
<td colspan="1" pageId="23" pageNumber="24" rowspan="1">2</td>
|
||
</tr>
|
||
<tr pageId="23" pageNumber="24">
|
||
<td colspan="1" pageId="23" pageNumber="24" rowspan="1">2</td>
|
||
<td colspan="1" pageId="23" pageNumber="24" rowspan="1">Ligules of upper culm leaves 0.2-1(-1.5) mm long, truncate to rounded, upper margin minutely ciliate fringed; collar margins usually distinctly scabrous; plants from the range of the species; Baja California, Chihuahua, Sonora, and Coahuila</td>
|
||
<td colspan="1" pageId="23" pageNumber="24" rowspan="1">
|
||
8b.
|
||
<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="fendleriana">
|
||
<emphasis italics="true" pageId="23" pageNumber="24">Poa fendleriana</emphasis>
|
||
</taxonomicName>
|
||
subsp.
|
||
<emphasis italics="true" pageId="23" pageNumber="24">fendlerian</emphasis>
|
||
a
|
||
</td>
|
||
</tr>
|
||
<tr pageId="23" pageNumber="24">
|
||
<td colspan="1" pageId="23" pageNumber="24" rowspan="1">-</td>
|
||
<td colspan="1" pageId="23" pageNumber="24" rowspan="1">Ligules of upper culm leaves (1.5-)1.8-11 mm long, obtuse to acuminate, upper margin without a ciliate fringe; collar margins usually smooth or sparingly scabrous; plants from Baja California</td>
|
||
<td colspan="1" pageId="23" pageNumber="24" rowspan="1">
|
||
8c.
|
||
<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="23" pageNumber="24" phylum="Tracheophyta" rank="species" species="fendleriana">
|
||
<emphasis italics="true" pageId="23" pageNumber="24">Poa fendleriana</emphasis>
|
||
</taxonomicName>
|
||
subsp.
|
||
<emphasis italics="true" pageId="23" pageNumber="24">longiligul</emphasis>
|
||
a
|
||
</td>
|
||
</tr>
|
||
</table>
|
||
</paragraph>
|
||
</subSubSection>
|
||
</treatment>
|
||
</document> |