198 lines
15 KiB
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198 lines
15 KiB
XML
<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="3E74A21194BC523F9575B22AE8C09479" 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 subsp. fendleriana" docType="treatment" docVersion="3" id="FF9AC356FFDAFB26FF95FFE3FFA1520C" lastPageNumber="28" 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="27" 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="182229301" LSID="urn:lsid:plazi:treatment:3E74A21194BC523F9575B22AE8C09479" httpUri="http://treatment.plazi.org/id/3E74A21194BC523F9575B22AE8C09479" lastPageId="27" lastPageNumber="28" pageId="26" pageNumber="27">
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<subSubSection pageId="26" pageNumber="27" type="nomenclature">
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<paragraph pageId="26" pageNumber="27">
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8b.
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<taxonomicName LSID="3E74A211-94BC-523F-9575-B22AE8C09479" authority="fendleriana" class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa fendleriana subsp. fendleriana" order="Poales" pageId="26" pageNumber="27" phylum="Tracheophyta" rank="subSpecies" species="fendleriana" subSpecies="fendleriana">Poa fendleriana fendleriana</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="26" pageNumber="27">Fig. 8 C-G</figureCitation>
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</paragraph>
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</subSubSection>
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<subSubSection pageId="26" pageNumber="27" type="description">
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<paragraph pageId="26" pageNumber="27">Description.</paragraph>
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<paragraph pageId="26" pageNumber="27">
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<emphasis bold="true" pageId="26" pageNumber="27">Leaf</emphasis>
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collars often scabrous or hispidulous near the throat; ligules of middle cauline leaves 0.2-1.2(-1.5) mm long, not decurrent abaxially scabrous, upper margin usually scabrous or ciliolate, apices truncate to rounded; sterile shoot blades usually scabrous or softly puberulent adaxially.
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<emphasis bold="true" pageId="26" pageNumber="27">Spikelet</emphasis>
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rachilla usually smooth and glabrous; lemmas long villous on keels and marginal veins, between veins glabrous or infrequently softly puberulent; palea keels and between keels infrequently puberulent. 2
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<emphasis italics="true" pageId="26" pageNumber="27">n</emphasis>
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= 56.
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</paragraph>
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</subSubSection>
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<subSubSection pageId="26" pageNumber="27" type="distribution">
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<paragraph pageId="26" pageNumber="27">Distribution.</paragraph>
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<paragraph pageId="26" pageNumber="27">The subspecies is found throughout the range of the species, but is rare to absent from much of the westernmost part of the USA range. In Mexico the subspecies is found in Baja California, Chihuahua, Coahuila, and Sonora.</paragraph>
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</subSubSection>
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<subSubSection pageId="26" pageNumber="27" type="ecology">
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<paragraph pageId="26" pageNumber="27">Ecology.</paragraph>
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<paragraph pageId="26" pageNumber="27">
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Where the ranges of the subspecies overlap this subspecies often occurs in slightly drier and more open habitats than
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="26" pageNumber="27" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="26" pageNumber="27">Poa</emphasis>
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</taxonomicName>
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subsp.
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<emphasis italics="true" pageId="26" pageNumber="27">albescens</emphasis>
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, and more mesic and cooler habitats than
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="26" pageNumber="27" phylum="Tracheophyta" rank="genus">
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<emphasis italics="true" pageId="26" pageNumber="27">Poa</emphasis>
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</taxonomicName>
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. subsp.
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<emphasis italics="true" pageId="26" pageNumber="27">longiligula</emphasis>
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. In Mexico this subspecies can tolerate some disturbance as most of the plants are apomictic, except in Coahuila. The subspecies is found in canyons and rocky slopes, from upper arid grasslands (margins) and chaparral of with scrubby species of
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<taxonomicName class="Dicotyledoneae" family="Fagaceae" genus="Quercus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Fagales" pageId="26" pageNumber="27" phylum="Angiospermae" rank="genus">
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<emphasis italics="true" pageId="26" pageNumber="27">Quercus</emphasis>
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</taxonomicName>
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,
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<taxonomicName class="Eudicots" family="Ericaceae" genus="Arbutus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Ericales" pageId="26" pageNumber="27" phylum="Magnoliophyta" rank="genus">
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<emphasis italics="true" pageId="26" pageNumber="27">Arbutus</emphasis>
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</taxonomicName>
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,
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<taxonomicName class="Pinopsida" family="Cupressaceae" genus="Juniperus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Pinales" pageId="26" pageNumber="27" phylum="Coniferophyta" rank="genus">
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<emphasis italics="true" pageId="26" pageNumber="27">Juniperus</emphasis>
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</taxonomicName>
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,
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<taxonomicName genus="Vaqualina" lsidName="" pageId="26" pageNumber="27" rank="genus">
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<emphasis italics="true" pageId="26" pageNumber="27">Vaqualina</emphasis>
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</taxonomicName>
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, and
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<taxonomicName class="Magnoliopsida" family="Rosaceae" genus="Cercocarpus" higherTaxonomySource="GBIF" kingdom="Plantae" lsidName="" order="Rosales" pageId="26" pageNumber="27" phylum="Spermatophyta" rank="genus">
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<emphasis italics="true" pageId="26" pageNumber="27">Cercocarpus</emphasis>
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</taxonomicName>
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to Hudsonian coniferous forests. Like
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="26" pageNumber="27" phylum="Tracheophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="26" pageNumber="27">Poa fendleriana</emphasis>
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</taxonomicName>
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subsp.
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<emphasis italics="true" pageId="26" pageNumber="27">albescens</emphasis>
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, this subspecies is primarily restricted to regions with summer monsoons and some winter snows, and ranges from 1900-2200 m. Flowering in spring.
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</paragraph>
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</subSubSection>
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<subSubSection lastPageId="27" lastPageNumber="28" pageId="26" pageNumber="27" type="specimens examined">
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<paragraph pageId="26" pageNumber="27">Specimens examined.</paragraph>
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<paragraph lastPageId="27" lastPageNumber="28" pageId="26" pageNumber="27">
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Mexico.
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<emphasis bold="true" pageId="26" pageNumber="27">Baja California:</emphasis>
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4.5 mi S of summit of Cerro 1905, Portezuelo de Jamau,
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<geoCoordinate degrees="31" direction="north" minutes="34" orientation="latitude" precision="925" value="31.566668">31°34'N</geoCoordinate>
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,
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<geoCoordinate degrees="115" direction="west" minutes="36" orientation="longitude" precision="925" value="-115.6">115°36'W</geoCoordinate>
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, 1900 m, 20 Apr 1974, R.Moran 21232 (TAES♀, WYAC♀ intermediate between
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="26" pageNumber="27" phylum="Tracheophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="26" pageNumber="27">Poa fendleriana</emphasis>
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</taxonomicName>
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subsp.
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<emphasis italics="true" pageId="26" pageNumber="27">fendleriana</emphasis>
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and
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<emphasis italics="true" pageId="26" pageNumber="27">longiligula</emphasis>
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, pubescent rachilla, short truncate ligule, probably apomictic). Sierra Juarez, Hansen's Ranch, 21 Jun 1885, C.R.Orcutt 1276a (DS, US♀).
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<emphasis bold="true" pageId="26" pageNumber="27">Chihuahua:</emphasis>
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Barranca del Cobre, SE of Creel 28 mi, N of Rio Urique crossing, ca. 7000ft [2135 m], ca.
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<geoCoordinate degrees="27.507" direction="north" orientation="latitude" precision="55" value="27.507">27.507°N</geoCoordinate>
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,
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<geoCoordinate degrees="107.498" direction="west" orientation="longitude" precision="55" value="-107.498">107.498°W</geoCoordinate>
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, 14 Apr 1984, R.J.Soreng 2312 & R.W.Spellenberg (US, population sample: 10♀ 9 subsp.
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<emphasis italics="true" pageId="26" pageNumber="27">fendleriana</emphasis>
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; 1 subsp.
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<emphasis italics="true" pageId="26" pageNumber="27">albescens</emphasis>
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); ditto, ca. 25 mi SE Creel, ca.
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<geoCoordinate degrees="27.534" direction="north" orientation="latitude" precision="55" value="27.534">27.534°N</geoCoordinate>
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,
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<geoCoordinate degrees="107.508" direction="west" orientation="longitude" precision="55" value="-107.508">107.508°W</geoCoordinate>
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, 2313 (US, population sample: 2♀). N of Basuchil, ca. 10 mi NW of
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<normalizedToken originalValue="Miñaca">Minaca</normalizedToken>
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, loose crumbling red clay on dry ravine side, near ditch, plateau, arid grassland, 2200 m, 8 May 1929, Y.Mexia 2511 (CAS♀, MO♀). Tomachic, 4.2 mi E on road from La Junta to Yecora, ca. 7000 ft [2135 m],
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<geoCoordinate degrees="28.375" direction="north" orientation="latitude" precision="55" value="28.375">28.375°N</geoCoordinate>
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,
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<geoCoordinate degrees="107.7865" direction="west" orientation="longitude" precision="5" value="-107.7865">107.7865°W</geoCoordinate>
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, 13 Apr 1984, R.J.Soreng 2306b & R.W.Spellenberg (US, population sample: 24♀ subsp.
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<emphasis italics="true" pageId="26" pageNumber="27">fendleriana</emphasis>
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, 2
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<emphasis italics="true" pageId="26" pageNumber="27">n</emphasis>
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= 59; 1 subsp.
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<emphasis italics="true" pageId="26" pageNumber="27">albescens</emphasis>
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). S of Rancho La Consolacion, canyon in north face of Sierra Rica,
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<geoCoordinate degrees="29" direction="north" minutes="12" orientation="latitude" precision="925" value="29.2">29°12'N</geoCoordinate>
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,
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<geoCoordinate degrees="104" direction="west" minutes="7" orientation="longitude" precision="925" value="-104.11667">104°7'W</geoCoordinate>
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, 1400-2000 m, 3 May 1973, M.C.Johnston, T.L.Wendt & F.Chiang-C. 10776A (LL♀ toward subsp.
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<emphasis italics="true" pageId="27" pageNumber="28">
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<pageBreakToken pageId="27" pageNumber="28" start="start">albescens</pageBreakToken>
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</emphasis>
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); ditto, 10773C (LL♀); ditto, 10777 (LL♀).
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<emphasis bold="true" pageId="27" pageNumber="28">Coahuila:</emphasis>
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Sierra del Carmen, south peaks of range, NW side of upper Carboneras Canyon,
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<geoCoordinate degrees="28" direction="north" minutes="57" orientation="latitude" precision="925" value="28.95">28°57'N</geoCoordinate>
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,
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<geoCoordinate degrees="102" direction="west" minutes="34" orientation="longitude" precision="925" value="-102.566666">102°34'W</geoCoordinate>
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, 2100 m, 2 Apr 1974, T.Wendt 125, E.Lott & D.Riskind (TEX♂). Municipio de Ocampo, east side of Sierra del Carmen,
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<geoCoordinate degrees="28" direction="north" minutes="53" orientation="latitude" precision="925" value="28.883333">28°53'N</geoCoordinate>
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,
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<geoCoordinate degrees="102" direction="west" minutes="28" orientation="longitude" precision="925" value="-102.46667">102°28'W</geoCoordinate>
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, 5200 ft [1590 m], 8 May 1981, D.H.Riskind 2391 (TEX♀).
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</paragraph>
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<paragraph pageId="27" pageNumber="28">
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<emphasis bold="true" pageId="27" pageNumber="28">Discussion.</emphasis>
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This is the most widespread but least common subspecies of
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="27" pageNumber="28" phylum="Tracheophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="27" pageNumber="28">Poa fendleriana</emphasis>
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</taxonomicName>
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in Mexico. Staminate plants are rare or absent, except in Coahuila where a staminate plant has been collected.
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<emphasis italics="true" pageId="27" pageNumber="28">Poa fendleriana</emphasis>
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subsp.
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<emphasis italics="true" pageId="27" pageNumber="28">fendleriana</emphasis>
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intergrades with
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<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="27" pageNumber="28" phylum="Tracheophyta" rank="species" species="fendleriana">
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<emphasis italics="true" pageId="27" pageNumber="28">Poa fendleriana</emphasis>
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</taxonomicName>
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subsp.
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<emphasis italics="true" pageId="27" pageNumber="28">albescens</emphasis>
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in Chihuahua and in southeast Arizona and southwest New Mexico.
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</paragraph>
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</subSubSection>
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</treatment>
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</document> |