323 lines
25 KiB
XML
323 lines
25 KiB
XML
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<document ID-DOI="http://dx.doi.org/10.3897/phytokeys.65.7024" ID-PMC="PMC4957023" ID-Pensoft-Pub="1314-2003-65-57" ID-Pensoft-UUID="FFF4FF8DFFB0FFB67C54FF90353B0D0D" ID-PubMed="27489489" ID-Zenodo-Dep="126032" ModsDocID="1314-2003-65-57" checkinTime="1467300566847" checkinUser="pensoft" docAuthor="Sylvester, Steven P., Soreng, Robert J., Peterson, Paul M. & Sylvester, Mitsy D. P. V." docDate="2016" docId="61D0921E06115D50B0317CAA54EA3BC3" docLanguage="en" docName="PhytoKeys 65: 57-90" docOrigin="PhytoKeys 65" docPubDate="2016-06-30" docSource="http://dx.doi.org/10.3897/phytokeys.65.7024" docTitle="Poa tayacajaensis Soreng & S. P. Sylvester 2016, sp. nov." docType="treatment" docVersion="3" id="FFF4FF8DFFB0FFB67C54FF90353B0D0D" lastPageNumber="79" masterDocId="FFF4FF8DFFB0FFB67C54FF90353B0D0D" masterDocTitle="An updated checklist and key to the open-panicled species of Poa L. (Poaceae) in Peru including three new species, Poa ramoniana, Poa tayacajaensis, and Poa urubambensis" masterLastPageNumber="90" masterPageNumber="57" pageNumber="75" updateTime="1668141726911" 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>An updated checklist and key to the open-panicled species of Poa L. (Poaceae) in Peru including three new species, Poa ramoniana, Poa tayacajaensis, and Poa urubambensis</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>Sylvester, Steven P.</mods:namePart>
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<mods:nameIdentifier type="ORCID">https://orcid.org/0000-0001-5577-8782</mods:nameIdentifier>
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<mods:affiliation>Institute of Systematic and Evolutionary Botany, University of Zurich, Zollikerstrasse 107, 8008 Zuerich, Switzerland & Department of Geography, Philipps-Universitaet Marburg, Deutschhausstrasse 10, D- 35032 Marburg, Germany</mods:affiliation>
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<mods:nameIdentifier type="email">steven_sylvester@hotmail.com</mods:nameIdentifier>
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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: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: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>Sylvester, Mitsy D. P. V.</mods:namePart>
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<mods:affiliation>Institute of Systematic and Evolutionary Botany, University of Zurich, Zollikerstrasse 107, 8008 Zuerich, Switzerland & Universidad Nacional de San Antonio Abad del Cusco, Avenida de la Cultura 733, Cusco, Peru</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>2016</mods:date>
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<mods:detail type="pubDate">
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<mods:number>2016-06-30</mods:number>
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</mods:detail>
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<mods:detail type="volume">
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<mods:number>65</mods:number>
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</mods:detail>
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<mods:extent unit="page">
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<mods:start>57</mods:start>
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<mods:end>90</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.65.7024</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.65.7024</mods:identifier>
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<mods:identifier type="Pensoft-Pub">1314-2003-65-57</mods:identifier>
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<mods:identifier type="Pensoft-UUID">FFF4FF8DFFB0FFB67C54FF90353B0D0D</mods:identifier>
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<mods:identifier type="Zenodo-Dep">126032</mods:identifier>
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</mods:mods>
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<treatment ID-GBIF-Taxon="182227006" LSID="urn:lsid:plazi:treatment:61D0921E06115D50B0317CAA54EA3BC3" httpUri="http://treatment.plazi.org/id/61D0921E06115D50B0317CAA54EA3BC3" lastPageId="22" lastPageNumber="79" pageId="18" pageNumber="75">
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<subSubSection pageId="18" pageNumber="75" type="nomenclature">
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<paragraph pageId="18" pageNumber="75">
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<taxonomicName LSID="61D0921E-0611-5D50-B031-7CAA54EA3BC3" authority="Soreng & S. P. Sylvester" authorityName="Soreng & S. P. Sylvester" authorityYear="2016" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa tayacajaensis" order="Poales" pageId="18" pageNumber="75" phylum="Tracheophyta" rank="species" species="tayacajaensis" status="sp. nov.">Poa tayacajaensis Soreng & S.P. Sylvester</taxonomicName>
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<taxonomicNameLabel pageId="18" pageNumber="75">sp. nov.</taxonomicNameLabel>
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<figureCitation captionStart="Figure 2" captionStartId="F2" captionText="Figure 2. Poa tayacajaensis. Digitized holotype specimen O. Tovar. S. 2038 (US- 2181284)." figureDoi="10.3897/phytokeys.65.7024.figure2" httpUri="https://binary.pensoft.net/fig/94189" pageId="18" pageNumber="75">Figs 2</figureCitation>
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<figureCitation captionStart="Figure 3" captionStartId="F3" captionText="Figure 3. Poa tayacajaensis. Photograph of individual floret, anther, and spikelet (from top to bottom) of holotype specimen O. Tovar. S. 2038 (US- 2181284). (Photograph by R. J. Soreng)." figureDoi="10.3897/phytokeys.65.7024.figure3" httpUri="https://binary.pensoft.net/fig/94190" pageId="18" pageNumber="75">, 3</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="21" lastPageNumber="78" pageId="19" pageNumber="76" type="materials_examined">
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<paragraph pageId="19" pageNumber="76">
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<pageBreakToken pageId="19" pageNumber="76" start="start">
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<typeStatus>Type</typeStatus>
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</pageBreakToken>
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.
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</paragraph>
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<paragraph pageId="19" pageNumber="76">
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<materialsCitation collectingDate="1954-04-22" collectorName="O. Tovar." country="PERU" elevation="2900" latitude="-12.5" location="Tocas" longLatPrecision="7763" longitude="-74.6" municipality="Colcabamba" specimenCount="1" stateProvince="Region HUANCAVELICA" typeStatus="holotype">
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<collectingCountry name="Peru">PERU</collectingCountry>
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:
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<collectingRegion country="Peru" name="Huancavelica">
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<normalizedToken originalValue="Región">Region</normalizedToken>
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HUANCAVELICA
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</collectingRegion>
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. Prov. Tayacaja: Distr.
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<collectingMunicipality>Colcabamba</collectingMunicipality>
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, Chuspi-Hda.,
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<location LSID="urn:lsid:plazi:treatment:61D0921E06115D50B0317CAA54EA3BC3:0C230CF7820D868A3F1001107FD26021" country="PERU" latitude="-12.5" longLatPrecision="7763" longitude="-74.6" municipality="Colcabamba" name="Tocas" stateProvince="Region HUANCAVELICA">Tocas</location>
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,
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<locationDeviation firstLocation="Colcabamba" secondLocation="Paucarbamba">entre Colcabamba y Paucarbamba</locationDeviation>
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, monte bajo,
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<quantity metricMagnitude="3" metricUnit="m" metricValue="2.9" unit="m" value="2900.0">
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<elevation metricMagnitude="3" metricUnit="m" metricValue="2.9" unit="m" value="2900.0">2900 m</elevation>
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</quantity>
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, [vic.
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<geoCoordinate degrees="12.5" direction="south" orientation="latitude" precision="5555" value="-12.5">S12.5°</geoCoordinate>
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,
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<geoCoordinate degrees="74.6" direction="west" orientation="longitude" precision="5555" value="-74.6">W74.6°</geoCoordinate>
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],
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<collectingDate value="1954-04-22">22 Apr 1954</collectingDate>
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,
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<emphasis italics="true" pageId="19" pageNumber="76">
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<collectorName>
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<normalizedToken originalValue="Ó">O</normalizedToken>
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. Tovar.
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</collectorName>
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S. 2038
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</emphasis>
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(
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<typeStatus>holotype</typeStatus>
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: US-2181284!; isotype: USM p.p.)
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</materialsCitation>
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</paragraph>
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<paragraph lastPageId="21" lastPageNumber="78" pageId="20" pageNumber="77">
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<pageBreakToken pageId="20" pageNumber="77" start="start">Plants</pageBreakToken>
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gynomonoecious.
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<emphasis bold="true" pageId="20" pageNumber="77">Perennials</emphasis>
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; tufted, without lateral or downward tending shoots.
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<emphasis bold="true" pageId="20" pageNumber="77">Tillers</emphasis>
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intravaginal.
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<emphasis bold="true" pageId="20" pageNumber="77">Culms</emphasis>
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<quantity metricMagnitude="-1" metricUnit="m" metricValue="6.0" metricValueMax="6.5" metricValueMin="5.5" unit="cm" value="60.0" valueMax="65.0" valueMin="55.0">55-65 cm</quantity>
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tall, erect or decumbent (when decumbent sometimes extravaginally branching at the lower culm nodes, i.e.
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<emphasis italics="true" pageId="20" pageNumber="77">Peterson et al. 20369</emphasis>
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); Culm nodes 3-4, terete, smooth, 2-3 nodes exposed at flowering; Culm internodes terete, smooth.
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<emphasis bold="true" pageId="20" pageNumber="77">Leaves</emphasis>
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; Sheaths slightly laterally compressed, keeled, lower culm and lateral ones densely scaberulous distally; Butt sheaths thin papery, somewhat loosely investing the shoots; Uppermost culm sheaths
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<quantity metricMagnitude="-1" metricUnit="m" metricValue="1.15" metricValueMax="1.3" metricValueMin="1.0" unit="cm" value="11.5" valueMax="13.0" valueMin="10.0">10-13 cm</quantity>
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long, margins fused 60-75 % their length, slightly shorter than their blades; Collars and throats smooth, glabrous; Ligules 2.0-
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="3.5" unit="mm" value="3.5">3.5 mm</quantity>
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long, not decurrent, abaxially sparsely to moderately densely scabrous, apices obtuse to subacute, margins densely scabrous, ligules of sterile shoots and lower culm leaves
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<quantity metricMagnitude="-4" metricUnit="m" metricValue="7.5" metricValueMax="10.0" metricValueMin="5.0" unit="mm" value="0.75" valueMax="1.0" valueMin="0.5">0.5-1 mm</quantity>
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long; Cauline blades
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<quantity metricMagnitude="-1" metricUnit="m" metricValue="1.05" metricValueMax="1.5" metricValueMin="0.6" unit="cm" value="10.5" valueMax="15.0" valueMin="6.0">6-15 cm</quantity>
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long,
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="4.0" metricValueMax="5.0" metricValueMin="3.0" unit="mm" value="4.0" valueMax="5.0" valueMin="3.0">3-5 mm</quantity>
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wide, well developed, longer than their sheaths, generally flat, keeled, thin, lax, abaxially, marginally, and adaxially scabrous mainly along the veins, folded near the apex, apex gradually tapered to a slender point; Blades gradually increasing in length up the culm, flag leaf blade
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<quantity metricMagnitude="-1" metricUnit="m" metricValue="1.25" metricValueMax="1.5" metricValueMin="1.0" unit="cm" value="12.5" valueMax="15.0" valueMin="10.0">10-15 cm</quantity>
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long; Sterile shoot blades like those of the culm, but somewhat shorter and smoother.
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<emphasis bold="true" pageId="20" pageNumber="77">Panicles</emphasis>
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<quantity metricMagnitude="-1" metricUnit="m" metricValue="1.9" metricValueMax="2.0" metricValueMin="1.8" unit="cm" value="19.0" valueMax="20.0" valueMin="18.0">18-20 cm</quantity>
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long, loose, open, exerted, slightly lax, to
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<quantity metricMagnitude="-2" metricUnit="m" metricValue="5.0" unit="cm" value="5.0">5 cm</quantity>
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wide, with more than 100 spikelets, proximal internodes
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<quantity metricMagnitude="-2" metricUnit="m" metricValue="3.75" metricValueMax="4.0" metricValueMin="3.5" unit="cm" value="3.75" valueMax="4.0" valueMin="3.5">3.5-4 cm</quantity>
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long, smooth; Rachis with (3) 5-6 branches at lower nodes; Primary branches slender, mostly laxly ascending, sometimes spreading, one sometimes reflexed, angled, proximally smooth to moderately scabrous mainly on the angles; Lateral pedicels mostly <
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="1.0" unit="mm" value="1.0">1 mm</quantity>
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long, scabrous; Longest branches
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<quantity metricMagnitude="-2" metricUnit="m" metricValue="7.0" metricValueMax="8.0" metricValueMin="6.0" unit="cm" value="7.0" valueMax="8.0" valueMin="6.0">6-8 cm</quantity>
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long, with 14-22 spikelets in the distal half, slightly overlapping.
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<emphasis bold="true" pageId="20" pageNumber="77">Spikelets</emphasis>
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="5.25" metricValueMax="6.0" metricValueMin="4.5" unit="mm" value="5.25" valueMax="6.0" valueMin="4.5">4.5-6 mm</quantity>
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long, c. 2
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<normalizedToken originalValue="×">x</normalizedToken>
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longer than wide, lanceolate, laterally compressed, not bulbiferous, greyish-green to somewhat anthocyanic at maturity; Florets (3-)4(-5), proximal florets hermaphroditic and distal one pistillate; Rachilla internodes terete, distal internodes
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<quantity metricMagnitude="-4" metricUnit="m" metricValue="8.5" metricValueMax="10.0" metricValueMin="7.0" unit="mm" value="0.85" valueMax="1.0" valueMin="0.7">0.7-1 mm</quantity>
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long, terete, smooth, glabrous; Glumes unequal, narrow lanceolate to lanceolate, herbaceous and pale green below, sometimes anthocyanic in margins and apex, veins distinct, distinctly keeled, keels sparsely short scabrous distally, surfaces smooth, margins scarious-hyaline, edges entire smooth, apices sharply acute, entire; Lower glumes
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="2.1" metricValueMax="2.5" metricValueMin="1.7" unit="mm" value="2.1" valueMax="2.5" valueMin="1.7">1.7-2.5 mm</quantity>
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, 2/3-4/5 as long as adjacent lemmas, 1-veined, very narrow, slightly sickle shaped; Upper glume
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="2.7" metricValueMax="3.0" metricValueMin="2.4" unit="mm" value="2.7" valueMax="3.0" valueMin="2.4">2.4-3 mm</quantity>
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, c. 2
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<normalizedToken originalValue="×">x</normalizedToken>
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wider than the lower, 3-veined; Calluses webbed, with a dense, long dorsal tuft of wooly hairs; Lemmas (the lowest)
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="3.25" metricValueMax="3.7" metricValueMin="2.8" unit="mm" value="3.25" valueMax="3.7" valueMin="2.8">2.8-3.7 mm</quantity>
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long, 5-veined, lanceolate in side view, the proximal one c. 5
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<normalizedToken originalValue="×">x</normalizedToken>
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longer than wide at maturity, greyish-green, to strongly anthocyanic at maturity, strongly laterally compressed, distinctly keeled, thin, keel to 3/4 the length and marginal veins and sometimes the intermediate veins to 1/2 the length, loosely sericious to villous, between veins sparsely to moderately densely appressed pubescent or occasionally glabrous on the proximal lemma, keel distally weekly scabrous, intermediate veins distinct, not extending to near the margin, margins inrolling below at maturity, very narrowly hyaline above, edges smooth or with a few hooks, apices acute, briefly hyaline; Paleas shorter than the lemmas by c.
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<quantity metricMagnitude="-4" metricUnit="m" metricValue="5.0" unit="mm" value="0.5">0.5 mm</quantity>
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, keels scabrous distally, sometimes weakly so, sparsely puberulent medially or nearly so, glabrous.
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<emphasis bold="true" pageId="20" pageNumber="77">Flowers</emphasis>
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chasmogamous; Lodicules c.
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<quantity metricMagnitude="-4" metricUnit="m" metricValue="2.5" unit="mm" value="0.25">0.25 mm</quantity>
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long, obscurely lobed;
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<pageBreakToken pageId="21" pageNumber="78" start="start">Anthers</pageBreakToken>
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="1.2999999999999998" metricValueMax="1.4" metricValueMin="1.2" unit="mm" value="1.2999999999999998" valueMax="1.4" valueMin="1.2">1.2-1.4 mm</quantity>
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long, vestigial in the upper floret.
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<emphasis bold="true" pageId="21" pageNumber="78">Caryopsis</emphasis>
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<quantity metricMagnitude="-3" metricUnit="m" metricValue="1.9" metricValueMax="2.0" metricValueMin="1.8" unit="mm" value="1.9" valueMax="2.0" valueMin="1.8">1.8-2 mm</quantity>
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long, strongly laterally compressed, sulcate, honey brown, firm, adherent to the lemma and palea, hilum
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<quantity metricMagnitude="-4" metricUnit="m" metricValue="2.0" unit="mm" value="0.2">0.2 mm</quantity>
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long, elliptical. 2
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<emphasis italics="true" pageId="21" pageNumber="78">n</emphasis>
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= unknown.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="21" pageNumber="78" type="distribution">
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|
<paragraph pageId="21" pageNumber="78">Distribution.</paragraph>
|
|||
|
|
<paragraph pageId="21" pageNumber="78">
|
|||
|
|
Endemic to the central Andes of Peru. Known from Huancavelica and
|
|||
|
|
<normalizedToken originalValue="Huánuco">Huanuco</normalizedToken>
|
|||
|
|
, although the
|
|||
|
|
<normalizedToken originalValue="Huánuco">Huanuco</normalizedToken>
|
|||
|
|
specimen is only tentatively placed.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection pageId="21" pageNumber="78" type="habitat">
|
|||
|
|
<paragraph pageId="21" pageNumber="78">Habitat.</paragraph>
|
|||
|
|
<paragraph pageId="21" pageNumber="78">Shrublands on Andean slopes at mid elevations.</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection pageId="21" pageNumber="78" type="conservation status">
|
|||
|
|
<paragraph pageId="21" pageNumber="78">Conservation status.</paragraph>
|
|||
|
|
<paragraph pageId="21" pageNumber="78">Data insufficient.</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection lastPageId="22" lastPageNumber="79" pageId="21" pageNumber="78" type="materials_examined">
|
|||
|
|
<paragraph pageId="21" pageNumber="78">Additional specimens examined.</paragraph>
|
|||
|
|
<paragraph lastPageId="22" lastPageNumber="79" pageId="21" pageNumber="78">
|
|||
|
|
One other specimen appears to represent this species but is too immature to be certain. The specimen in question has extravaginal shoots branching from lower culm nodes;
|
|||
|
|
<collectingCountry name="Peru">PERU</collectingCountry>
|
|||
|
|
:
|
|||
|
|
<collectingRegion country="Peru" name="Huanuco">
|
|||
|
|
<normalizedToken originalValue="Región">Region</normalizedToken>
|
|||
|
|
<normalizedToken originalValue="HUÁNUCO">HUANUCO</normalizedToken>
|
|||
|
|
</collectingRegion>
|
|||
|
|
.
|
|||
|
|
<materialsCitation collectingDate="2007-03-08" collectorName="Peterson, Soreng, Romaschenko" country="US" county="Huacachi" elevation="2650" latitude="-9.86836" location="Rio Grande" longLatPrecision="1" longitude="-75.83306" municipality="Rio Huallaga" specimenCount="1" stateProvince="Huanuco">
|
|||
|
|
Prov. Pachitea: Distr. Chaggla, canyon of the
|
|||
|
|
<location LSID="urn:lsid:plazi:treatment:61D0921E06115D50B0317CAA54EA3BC3:2FF4FE186E37368662E22EC77B34E0CB" country="US" county="Huacachi" latitude="-9.86836" longLatPrecision="1" longitude="-75.83306" municipality="Rio Huallaga" name="Rio Grande" stateProvince="Huanuco">Rio Grande</location>
|
|||
|
|
, c.
|
|||
|
|
<quantity metricMagnitude="4" metricUnit="m" metricValue="2.0" unit="km" value="20.0">20 km</quantity>
|
|||
|
|
above confluence with
|
|||
|
|
<collectingMunicipality>Rio Huallaga</collectingMunicipality>
|
|||
|
|
, E of
|
|||
|
|
<normalizedToken originalValue="Huánuco">
|
|||
|
|
<collectingRegion country="Peru" name="Huanuco">Huanuco</collectingRegion>
|
|||
|
|
</normalizedToken>
|
|||
|
|
c. 44 air km, 1.7 air km
|
|||
|
|
<locationDeviation location="Estacion Huacachay">
|
|||
|
|
SSW of
|
|||
|
|
<normalizedToken originalValue="Estación">Estacion</normalizedToken>
|
|||
|
|
Huacachay
|
|||
|
|
</locationDeviation>
|
|||
|
|
<pageBreakToken pageId="22" pageNumber="79" start="start">(</pageBreakToken>
|
|||
|
|
<collectingCounty>Huacachi</collectingCounty>
|
|||
|
|
),
|
|||
|
|
<quantity metricMagnitude="3" metricUnit="m" metricValue="2.65" unit="m" value="2650.0">
|
|||
|
|
<elevation metricMagnitude="3" metricUnit="m" metricValue="2.65" unit="m" value="2650.0">2650 m</elevation>
|
|||
|
|
</quantity>
|
|||
|
|
,
|
|||
|
|
<geoCoordinate degrees="9.86836" direction="south" orientation="latitude" precision="1" value="-9.86836">S9.86836</geoCoordinate>
|
|||
|
|
<geoCoordinate degrees="75.83306" direction="west" orientation="longitude" precision="1" value="-75.83306">W75.83306</geoCoordinate>
|
|||
|
|
,
|
|||
|
|
<collectingDate value="2007-03-08">8 Mar 2007</collectingDate>
|
|||
|
|
,
|
|||
|
|
<emphasis italics="true" pageId="22" pageNumber="79">
|
|||
|
|
<collectorName>Peterson</collectorName>
|
|||
|
|
</emphasis>
|
|||
|
|
,
|
|||
|
|
<emphasis italics="true" pageId="22" pageNumber="79">
|
|||
|
|
<collectorName>Soreng</collectorName>
|
|||
|
|
&
|
|||
|
|
<collectorName>Romaschenko</collectorName>
|
|||
|
|
20369
|
|||
|
|
</emphasis>
|
|||
|
|
(
|
|||
|
|
<collectingCountry name="United States of America">US</collectingCountry>
|
|||
|
|
!)
|
|||
|
|
</materialsCitation>
|
|||
|
|
.
|
|||
|
|
</paragraph>
|
|||
|
|
</subSubSection>
|
|||
|
|
<subSubSection pageId="22" pageNumber="79" type="discussion">
|
|||
|
|
<paragraph pageId="22" pageNumber="79">Discussion.</paragraph>
|
|||
|
|
<paragraph pageId="22" pageNumber="79">
|
|||
|
|
These plants bear similarities to
|
|||
|
|
<taxonomicName authorityName="Hack" authorityYear="1902" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa aequatoriensis" order="Poales" pageId="22" pageNumber="79" phylum="Tracheophyta" rank="species" species="aequatoriensis">
|
|||
|
|
<emphasis italics="true" pageId="22" pageNumber="79">Poa aequatoriensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
but differ by having lemmas which are generally shorter (2.8-3.7 mm long), pubescent between the veins, and by more densely scabrous sheaths, with more-or-less smooth glabrous throats, ligules generally shorter.
|
|||
|
|
<bibRefCitation author="Tovar, O" journalOrPublisher="Ruizia" pageId="29" pageNumber="86" pagination="1 - 480" refId="B48" refString="Tovar, O, 1993. Las Gramineas (Poaceae) del Peru. Ruizia 13: 1 - 480" title="Las Gramineas (Poaceae) del Peru." volume="13" year="1993">Tovar (1993)</bibRefCitation>
|
|||
|
|
placed his voucher of this form (
|
|||
|
|
<emphasis italics="true" pageId="22" pageNumber="79">2038</emphasis>
|
|||
|
|
) in
|
|||
|
|
<taxonomicName authorityName="Hack" authorityYear="1902" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa aequatoriensis" order="Poales" pageId="22" pageNumber="79" phylum="Tracheophyta" rank="species" species="aequatoriensis">
|
|||
|
|
<emphasis italics="true" pageId="22" pageNumber="79">Poa aequatoriensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
. However, among the 20 sheets and the US isotype reviewed of
|
|||
|
|
<taxonomicName authorityName="Hack" authorityYear="1902" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa aequatoriensis" order="Poales" pageId="22" pageNumber="79" phylum="Tracheophyta" rank="species" species="aequatoriensis">
|
|||
|
|
<emphasis italics="true" pageId="22" pageNumber="79">Poa aequatoriensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
, all have lemmas that are smooth and glabrous between the veins (consistent with the description of Ecuadorian material by Hjorth, 1991), and the keel and marginal veins can be glabrous or sparsely puberulent. The species also bears some slight similarity to
|
|||
|
|
<taxonomicName authorityName="Hack" authorityYear="1906" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa myriantha" order="Poales" pageId="22" pageNumber="79" phylum="Tracheophyta" rank="species" species="myriantha">
|
|||
|
|
<emphasis italics="true" pageId="22" pageNumber="79">Poa myriantha</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
Hack. and
|
|||
|
|
<taxonomicName authorityName="Hack" authorityYear="1902" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa hieronymi" order="Poales" pageId="22" pageNumber="79" phylum="Tracheophyta" rank="species" species="hieronymi">
|
|||
|
|
<emphasis italics="true" pageId="22" pageNumber="79">Poa hieronymi</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
Hack. from the Yungas cloud-forests, Argentina, that differ by size of the anthers and ligule being much smaller (anthers <1 mm long, ligules <1 mm long) and overall habit being larger (culms 60-350 cm long with 10-15 internodes, and panicles 20-36 cm long) and glumes having both antrorse and retrorse scabrocities.
|
|||
|
|
</paragraph>
|
|||
|
|
<caption ID-Zenodo-Dep="975315" doi="10.3897/phytokeys.65.7024.figure2" httpUri="https://binary.pensoft.net/fig/94189" pageId="22" pageNumber="79" start="Figure 2" startId="F2">
|
|||
|
|
<paragraph pageId="22" pageNumber="79">
|
|||
|
|
<emphasis bold="true" pageId="22" pageNumber="79">Figure 2.</emphasis>
|
|||
|
|
<taxonomicName authorityName="Soreng & S. P. Sylvester" authorityYear="2016" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa tayacajaensis" order="Poales" pageId="22" pageNumber="79" phylum="Tracheophyta" rank="species" species="tayacajaensis">
|
|||
|
|
<emphasis italics="true" pageId="22" pageNumber="79">Poa tayacajaensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
. Digitized holotype specimen
|
|||
|
|
<emphasis italics="true" pageId="22" pageNumber="79">
|
|||
|
|
<normalizedToken originalValue="Ó">O</normalizedToken>
|
|||
|
|
. Tovar. S. 2038
|
|||
|
|
</emphasis>
|
|||
|
|
(US-2181284).
|
|||
|
|
</paragraph>
|
|||
|
|
</caption>
|
|||
|
|
<caption ID-Zenodo-Dep="975317" doi="10.3897/phytokeys.65.7024.figure3" httpUri="https://binary.pensoft.net/fig/94190" pageId="22" pageNumber="79" start="Figure 3" startId="F3">
|
|||
|
|
<paragraph pageId="22" pageNumber="79">
|
|||
|
|
<emphasis bold="true" pageId="22" pageNumber="79">Figure 3.</emphasis>
|
|||
|
|
<taxonomicName authorityName="Soreng & S. P. Sylvester" authorityYear="2016" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa tayacajaensis" order="Poales" pageId="22" pageNumber="79" phylum="Tracheophyta" rank="species" species="tayacajaensis">
|
|||
|
|
<emphasis italics="true" pageId="22" pageNumber="79">Poa tayacajaensis</emphasis>
|
|||
|
|
</taxonomicName>
|
|||
|
|
. Photograph of individual floret, anther, and spikelet (from top to bottom) of holotype specimen
|
|||
|
|
<emphasis italics="true" pageId="22" pageNumber="79">
|
|||
|
|
<normalizedToken originalValue="Ó">O</normalizedToken>
|
|||
|
|
. Tovar. S. 2038
|
|||
|
|
</emphasis>
|
|||
|
|
(US-2181284). (Photograph by R.J. Soreng).
|
|||
|
|
</paragraph>
|
|||
|
|
</caption>
|
|||
|
|
</subSubSection>
|
|||
|
|
</treatment>
|
|||
|
|
</document>
|