171 lines
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171 lines
15 KiB
XML
<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.63.8198" ID-GBIF-Dataset="bf51ef6c-3446-4fd4-bb71-fdddcf1f773b" ID-PMC="PMC4956932" ID-Pensoft-Pub="1314-2003-63-107" ID-Pensoft-UUID="FF82FFF8E373BE6BFFF3FF84BF08EE20" ID-PubMed="27489482" ID-Zenodo-Dep="121162" ModsDocAuthor="" ModsDocDate="2016" ModsDocID="1314-2003-63-107" ModsDocOrigin="PhytoKeys 63" ModsDocTitle="A revision of PoasubsectionAphanelytrum (Poaceae, Pooideae, Poaeae, Poinae); and a new species, Poaauriculata" checkinTime="1465304805122" checkinUser="pensoft" docAuthor="Peterson, Paul M. & Soreng, Robert J." docDate="2016" docId="6760866122BC9AC07759D186ED051AED" docLanguage="en" docName="PhytoKeys 63: 107-125" docOrigin="PhytoKeys 63" docSource="http://dx.doi.org/10.3897/phytokeys.63.8198" docTitle="Poa (subsect. Aphanelytrum) subsect. Aphanelytrum (Hack.) Soreng & P. M. Peterson 2016, comb. & stat. nov." docType="treatment" docVersion="6" id="FF82FFF8E373BE6BFFF3FF84BF08EE20" lastPageNumber="110" masterDocId="FF82FFF8E373BE6BFFF3FF84BF08EE20" masterDocTitle="A revision of Poa subsection Aphanelytrum (Poaceae, Pooideae, Poaeae, Poinae); and a new species, Poa auriculata" masterLastPageNumber="125" masterPageNumber="107" pageNumber="109" updateTime="1668141686291" 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>A revision of Poa subsection Aphanelytrum (Poaceae, Pooideae, Poaeae, Poinae); and a new species, Poa auriculata</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>Peterson, Paul M.</mods:namePart>
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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>Soreng, Robert J.</mods:namePart>
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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>2016</mods:date>
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<mods:detail type="volume">
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<mods:number>63</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>107</mods:start>
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<mods:end>125</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.63.8198</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.63.8198</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-63-107</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FF82FFF8E373BE6BFFF3FF84BF08EE20</mods:identifier>
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<mods:identifier type="Zenodo-Dep">121162</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="161677313" LSID="urn:lsid:plazi:treatment:6760866122BC9AC07759D186ED051AED" httpUri="http://treatment.plazi.org/id/6760866122BC9AC07759D186ED051AED" lastPageId="3" lastPageNumber="110" pageId="2" pageNumber="109">
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<subSubSection pageId="2" pageNumber="109" type="nomenclature">
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<paragraph pageId="2" pageNumber="109">
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<taxonomicName LSID="555B3B03-D3DF-516F-B929-B175F2BBB5B3" authority="subsect. Aphanelytrum (Hack.) Soreng & P. M. Peterson" authorityName="subsect. Aphanelytrum (Hack.) Soreng & P. M. Peterson" authorityYear="2016" baseAuthorityName="subsect. Tovarochloa (Macfarl. & P. But) Soreng & P. M. Peterson" baseAuthorityYear="2016" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" infraspecific-rank="subsect." kingdom="Plantae" lsidName="Poa" order="Poales" pageId="2" pageNumber="109" phylum="Tracheophyta" rank="genus" status="comb. & stat. nov.">Poa subsect. Aphanelytrum (Hack.) Soreng & P.M. Peterson</taxonomicName>
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<taxonomicNameLabel pageId="2" pageNumber="109">comb. & stat. nov.</taxonomicNameLabel>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="109" type="reference_group">
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<paragraph pageId="2" pageNumber="109">
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<taxonomicName LSID="urn:lsid:ipni.org:names:77155363-1" authority="subsect. Aphanelytrum" authorityName="subsect. Aphanelytrum (Hack.) Soreng & P. M. Peterson" authorityYear="2016" baseAuthorityName="subsect. Tovarochloa (Macfarl. & P. But) Soreng & P. M. Peterson" baseAuthorityYear="2016" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" infraspecific-rank="subsect." kingdom="Plantae" lsidName="Poa" order="Poales" pageId="2" pageNumber="109" phylum="Tracheophyta" rank="genus" subsection="Aphanelytrum">Poa subsect. Aphanelytrum</taxonomicName>
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within
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<taxonomicName authority="Soreng & L.J. Gillespie" basionym-authority="(Dumort.)" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" infraspecific-rank="sect." kingdom="Plantae" lsidName="Poa" order="Poales" pageId="2" pageNumber="109" phylum="Tracheophyta" rank="section" section="Dioicopoa" subGenus="Poa" supersection="Homalopoa">Poa subg. Poa supersect. Homalopoa (Dumort.) Soreng & L.J. Gillespie sect. Dioicopoa</taxonomicName>
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E. Desv., see
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<bibRefCitation author="Gillespie, LJ" journalOrPublisher="Aliso" pageId="10" pageNumber="117" pagination="420 - 434" publicationUrl="10.5642/aliso.20072301.33" refId="B6" refString="Gillespie, LJ, Archambault, A, Soreng, RJ, 2007. Phylogeny of Poa (Poaceae) based on trnT-trnF sequence data: major clades and basal relationships. Aliso 23: 420 - 434, DOI: 10.5642/aliso.20072301.33" title="Phylogeny of Poa (Poaceae) based on trnT-trnF sequence data: major clades and basal relationships." url="10.5642/aliso.20072301.33" volume="23" year="2007">Gillespie et al. 2007</bibRefCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="109" type="basionym">
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<paragraph pageId="2" pageNumber="109">Basionym.</paragraph>
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<paragraph pageId="2" pageNumber="109">
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<taxonomicName authority="subg. Aphanelytrum" class="Liliopsida" family="Poaceae" genus="Brachyelytrum" higherTaxonomySource="CoL" infraspecific-rank="subg." kingdom="Plantae" lsidName="Brachyelytrum" order="Poales" pageId="2" pageNumber="109" phylum="Tracheophyta" rank="genus">Brachyelytrum subg. Aphanelytrum</taxonomicName>
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Hack., Die Nat. Pflanzenfam.,
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<normalizedToken originalValue="Nachträge">Nachtraege</normalizedToken>
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zu Teil II, Abteilung 2. 42. 1897.
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</paragraph>
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<paragraph pageId="2" pageNumber="109">
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Aphanelytrum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Aphanelytrum" order="Poales" pageId="2" pageNumber="109" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="2" pageNumber="109">Aphanelytrum</emphasis>
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</taxonomicName>
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(Hack.) Hack., Oesterr. Bot. Z. 52: 12. 1902.
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Aphanelytrum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Aphanelytrum procumbens" order="Poales" pageId="2" pageNumber="109" phylum="Tracheophyta" rank="species" species="procumbens">
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<emphasis italics="true" pageId="2" pageNumber="109">Aphanelytrum procumbens</emphasis>
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</taxonomicName>
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(Hack.) Hack., Oesterr. Bot. Z. 52: 13, text f. 1902.
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</paragraph>
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<paragraph pageId="2" pageNumber="109">
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Aphanelytrum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Aphanelytrum" order="Poales" pageId="2" pageNumber="109" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="2" pageNumber="109">Aphanelytrum</emphasis>
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</taxonomicName>
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Hack. ex Sodiro, Anales Univ. Centr. Ecuador 3(25): 480. 1889, nom. nud.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="2" pageNumber="109" type="type species">
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<paragraph pageId="2" pageNumber="109">Type species.</paragraph>
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<paragraph pageId="2" pageNumber="109">
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Based on
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Brachyelytrum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Brachyelytrum procumbens" order="Poales" pageId="2" pageNumber="109" phylum="Tracheophyta" rank="species" species="procumbens">
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<emphasis italics="true" pageId="2" pageNumber="109">Brachyelytrum procumbens</emphasis>
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</taxonomicName>
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Hack. ≡
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Aphanelytrum" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Aphanelytrum procumbens" order="Poales" pageId="2" pageNumber="109" phylum="Tracheophyta" rank="species" species="procumbens">
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<emphasis italics="true" pageId="2" pageNumber="109">Aphanelytrum procumbens</emphasis>
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</taxonomicName>
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(Hack.) Hack. ≡
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<taxonomicName authorityName="Soreng & P. M. Peterson" authorityYear="2016" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa hitchcockiana" order="Poales" pageId="2" pageNumber="109" phylum="Tracheophyta" rank="species" species="hitchcockiana">
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<emphasis italics="true" pageId="2" pageNumber="109">Poa hitchcockiana</emphasis>
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</taxonomicName>
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.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="3" lastPageNumber="110" pageId="2" pageNumber="109" type="diagnosis">
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<paragraph pageId="2" pageNumber="109">Diagnosis.</paragraph>
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<paragraph lastPageId="3" lastPageNumber="110" pageId="2" pageNumber="109">
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<taxonomicName authority="subsect. Aphanelytrum" authorityName="subsect. Aphanelytrum (Hack.) Soreng & P. M. Peterson" authorityYear="2016" baseAuthorityName="subsect. Tovarochloa (Macfarl. & P. But) Soreng & P. M. Peterson" baseAuthorityYear="2016" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" infraspecific-rank="subsect." kingdom="Plantae" lsidName="Poa" order="Poales" pageId="2" pageNumber="109" phylum="Tracheophyta" rank="genus" subsection="Aphanelytrum">Poa subsect. Aphanelytrum</taxonomicName>
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differs from most species of
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<taxonomicName authorityName="subsect. Aphanelytrum (Hack.) Soreng & P. M. Peterson" authorityYear="2016" baseAuthorityName="subsect. Tovarochloa (Macfarl. & P. But) Soreng & P. M. Peterson" baseAuthorityYear="2016" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa" order="Poales" pageId="2" pageNumber="109" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="2" pageNumber="109">Poa</emphasis>
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</taxonomicName>
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in having stooling perennials with decumbent to spreading culm bases that continuously branch and often root at low to mid-culm nodes, glabrous spikelets with long rachillas
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<pageBreakToken pageId="3" pageNumber="110" start="start">1.2</pageBreakToken>
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-4.2 mm long, short glumes less than
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<normalizedToken originalValue="½">1/2</normalizedToken>
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the length of the florets, and lemmas with bifid apices that are mucronate to short-awned.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="110" type="description">
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<paragraph pageId="3" pageNumber="110">Description.</paragraph>
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<paragraph pageId="3" pageNumber="110">
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Stooling perennials with intravaginal innovations. Culms 14-80 (-100) cm tall, decumbent to spreading near base, culm bases that continuously branch and often root at low to mid-culm nodes. Leaf blades 3-14 cm long, 0.2-5 (-5.5) mm wide, flat to loosely involute; ligules 1-3 mm long, membranous. Panicles few-flowered with 5-22 spikelets. Spikelets 5-18 mm long, 2-4-flowered, membranous, glabrous, disarticulating above the glumes and between the florets; rachilla 1.2-4.2 mm long, terete in cross section, often prolonged above upper floret; callus glabrous; glumes 0.1-3.5 mm long, less than
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<normalizedToken originalValue="½">1/2</normalizedToken>
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the length of the florets, 0-3 (-4)-veined; lemmas 2.2-9.6 mm long, 3- or 5-veined, lanceolate or ovate, apex bifid, mucronate to short-awned, if awned up to 2 mm long; paleas 2-7 mm long, apex bifid; lodicules 2, glabrous; stamens 3, anthers 2-4.7 mm long; ovaries glabrous. Caryopses compressed laterally or unknown.
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</paragraph>
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<paragraph pageId="3" pageNumber="110">Three species of northern to central Andes of South America.</paragraph>
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</subSubSection>
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<subSubSection pageId="3" pageNumber="110" type="key">
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<paragraph pageId="3" pageNumber="110">
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Key to the species of
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<taxonomicName authority="subsection Aphanelytrum" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" infraspecific-rank="subsection" kingdom="Plantae" lsidName="Poa" order="Poales" pageId="3" pageNumber="110" phylum="Tracheophyta" rank="genus" subsection="Aphanelytrum">Poa subsection Aphanelytrum</taxonomicName>
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</paragraph>
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<paragraph pageId="3" pageNumber="110">
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<table pageId="3" pageNumber="110">
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<tr pageId="3" pageNumber="110">
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<td colspan="1" pageId="3" pageNumber="110" rowspan="1">1</td>
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<td colspan="1" pageId="3" pageNumber="110" rowspan="1">Glumes veinless, 0.1-0.5 (-0.7) mm long, minute or absent</td>
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<td colspan="1" pageId="3" pageNumber="110" rowspan="1">
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<taxonomicName authorityName="Soreng & P. M. Peterson" authorityYear="2016" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa hitchcockiana" order="Poales" pageId="3" pageNumber="110" phylum="Tracheophyta" rank="species" species="hitchcockiana">
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<emphasis bold="true" italics="true" pageId="3" pageNumber="110">Poa hitchcockiana</emphasis>
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</taxonomicName>
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</td>
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</tr>
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<tr pageId="3" pageNumber="110">
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<td colspan="1" pageId="3" pageNumber="110" rowspan="1">-</td>
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<td colspan="1" pageId="3" pageNumber="110" rowspan="1">Glumes veined, 1-3.6 mm long, lower glumes 1 or 3-veined, upper glumes 3 or 4-veined</td>
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<td colspan="1" pageId="3" pageNumber="110" rowspan="1">
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<emphasis bold="true" pageId="3" pageNumber="110">2</emphasis>
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</td>
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</tr>
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<tr pageId="3" pageNumber="110">
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<td colspan="1" pageId="3" pageNumber="110" rowspan="1">2</td>
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<td colspan="1" pageId="3" pageNumber="110" rowspan="1">Spikelets 10-13 cm long, 4-flowered; lemmas 6.6-8 mm long; leaf blades 3-5 mm wide; paleas 4.6-5.2 mm long; culm internodes 14-80 mm long</td>
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<td colspan="1" pageId="3" pageNumber="110" rowspan="1">
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<taxonomicName authorityName="Soreng & P. M. Peterson" authorityYear="2016" baseAuthorityName="Soreng & P. M. Peterson" baseAuthorityYear="2016" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa reclinata" order="Poales" pageId="3" pageNumber="110" phylum="Tracheophyta" rank="species" species="reclinata">
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<emphasis bold="true" italics="true" pageId="3" pageNumber="110">Poa reclinata</emphasis>
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</taxonomicName>
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</td>
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</tr>
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<tr pageId="3" pageNumber="110">
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<td colspan="1" pageId="3" pageNumber="110" rowspan="1">-</td>
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<td colspan="1" pageId="3" pageNumber="110" rowspan="1">Spikelets 5-7 mm long, 3-flowered; lemmas 2.2-3.5 mm long; leaf blades 0.2-1.2 mm wide; paleas 2-3.2 mm long; culm internodes 3-18 mm long</td>
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<td colspan="1" pageId="3" pageNumber="110" rowspan="1">
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<taxonomicName authorityName="Soreng & P. M. Peterson" authorityYear="2016" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa sanchez-vegae" order="Poales" pageId="3" pageNumber="110" phylum="Tracheophyta" rank="species" species="sanchez-vegae">
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<emphasis bold="true" italics="true" pageId="3" pageNumber="110">Poa sanchez-vegae</emphasis>
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</taxonomicName>
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</td>
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</tr>
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</table>
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |