119 lines
11 KiB
XML
119 lines
11 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="DAFDBDB1A9B3D6BC889F64F84E995B51" 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 compressa L., Sp. Pl. 1: 69. 1753." docType="treatment" docVersion="6" id="FF9AC356FFDAFB26FF95FFE3FFA1520C" lastPageNumber="23" 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="22" updateTime="1668139833991" updateUser="ExternalLinkService">
|
|
<mods:mods xmlns:mods="http://www.loc.gov/mods/v3">
|
|
<mods:titleInfo>
|
|
<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>
|
|
</mods:titleInfo>
|
|
<mods:name type="personal">
|
|
<mods:role>
|
|
<mods:roleTerm>Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart>Soreng, Robert J.</mods:namePart>
|
|
<mods:affiliation>Department of Botany, National Museum of Natural History, Smithsonian Institution Washington, DC, 20013 - 7012, USA</mods:affiliation>
|
|
</mods:name>
|
|
<mods:name type="personal">
|
|
<mods:role>
|
|
<mods:roleTerm>Author</mods:roleTerm>
|
|
</mods:role>
|
|
<mods:namePart>Peterson, Paul M.</mods:namePart>
|
|
<mods:affiliation>Department of Botany, National Museum of Natural History, Smithsonian Institution Washington, DC, 20013 - 7012, USA</mods:affiliation>
|
|
</mods:name>
|
|
<mods:typeOfResource>text</mods:typeOfResource>
|
|
<mods:relatedItem type="host">
|
|
<mods:titleInfo>
|
|
<mods:title>PhytoKeys</mods:title>
|
|
</mods:titleInfo>
|
|
<mods:part>
|
|
<mods:date>2012</mods:date>
|
|
<mods:detail type="pubDate">
|
|
<mods:number>2012-08-06</mods:number>
|
|
</mods:detail>
|
|
<mods:detail type="volume">
|
|
<mods:number>15</mods:number>
|
|
</mods:detail>
|
|
<mods:extent unit="page">
|
|
<mods:start>1</mods:start>
|
|
<mods:end>104</mods:end>
|
|
</mods:extent>
|
|
</mods:part>
|
|
</mods:relatedItem>
|
|
<mods:location>
|
|
<mods:url>http://dx.doi.org/10.3897/phytokeys.15.3084</mods:url>
|
|
</mods:location>
|
|
<mods:classification>journal article</mods:classification>
|
|
<mods:identifier type="DOI">http://dx.doi.org/10.3897/phytokeys.15.3084</mods:identifier>
|
|
<mods:identifier type="Pensoft-Pub">1314-2003-15-1</mods:identifier>
|
|
<mods:identifier type="Pensoft-UUID">FF9AC356FFDAFB26FF95FFE3FFA1520C</mods:identifier>
|
|
<mods:identifier type="Zenodo-Dep">576134</mods:identifier>
|
|
</mods:mods>
|
|
<treatment ID-GBIF-Taxon="152024336" LSID="urn:lsid:plazi:treatment:DAFDBDB1A9B3D6BC889F64F84E995B51" httpUri="http://treatment.plazi.org/id/DAFDBDB1A9B3D6BC889F64F84E995B51" lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22">
|
|
<subSubSection pageId="21" pageNumber="22" type="nomenclature">
|
|
<paragraph pageId="21" pageNumber="22">
|
|
7.
|
|
<taxonomicName LSID="DAFDBDB1-A9B3-D6BC-889F-64F84E995B51" authority="L., Sp. Pl. 1: 69. 1753." authorityName="L., Sp. Pl. 1: 69. 1753." class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="Poa compressa" order="Poales" pageId="21" pageNumber="22" phylum="Tracheophyta" rank="species" species="compressa">Poa compressa L., Sp. Pl. 1: 69. 1753.</taxonomicName>
|
|
<figureCitation captionStart="Figure 1" captionStartId="F1" captionText="Figure 1. A-E Poa alpina L. A basal tuft B inflorescence C spikelet D floret dorsal view E floret lateral view; F-M Poa compressa L. F habit G inflorescence H culm cross-section outline I sheath, collar, blade abaxial view J branch segment with spikelet K spikelet L floret M anthers. A-M from Soreng (2007) E originally drawn from Eggleston 11824 in Hitchcock (1935)." httpUri="https://binary.pensoft.net/fig/10136" pageId="21" pageNumber="22">Fig. 1 F-M</figureCitation>
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="21" pageNumber="22" type="type">
|
|
<paragraph pageId="21" pageNumber="22">Type:</paragraph>
|
|
<paragraph pageId="21" pageNumber="22">
|
|
Habitat in Europae and Americae septentrionalis, (lectotype: LINN-87.41!, designated by
|
|
<bibRefCitation author="Soreng, RJ" journalOrPublisher="Taxon" pageId="69" pageNumber="70" pagination="239 - 260" refId="B47" refString="Soreng, RJ, 2000. Poa lectotypifications In: Cafferty S, Jarvis CE, Turland NJ. Typification of Linnaean plant names in the Poaceae (Gramineae). Taxon 49 (2): 239 - 260" title="Poa lectotypifications In: Cafferty S, Jarvis CE, Turland NJ. Typification of Linnaean plant names in the Poaceae (Gramineae)." volume="49" year="2000">Soreng 2000</bibRefCitation>
|
|
: 255).
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22" type="description">
|
|
<paragraph pageId="21" pageNumber="22">Description.</paragraph>
|
|
<paragraph lastPageId="22" lastPageNumber="23" pageId="21" pageNumber="22">
|
|
Hermaphroditic.
|
|
<emphasis bold="true" pageId="21" pageNumber="22">Perennials</emphasis>
|
|
; extensively rhizomatous, shoots solitary, green or bluish-grey-green; tillers extravaginal (basally cataphyllous), with lateral and downward tending, cataphyllous shoots.
|
|
<emphasis bold="true" pageId="21" pageNumber="22">Culms</emphasis>
|
|
15-60 cm tall, erect, bases usually geniculate, wiry, leafy, strongly compressed, smooth; nodes strongly compressed, 3-4 nodes usually exerted.
|
|
<emphasis bold="true" pageId="21" pageNumber="22">Leaf</emphasis>
|
|
sheaths distinctly compressed, minutely rough; butt sheaths papery, smooth, glabrous; flag leaf sheaths ca. 2-6 cm long, margins fused 10-20% the length, subequal to its blade; throats and collars smooth or slightly scabrous, glabrous; ligules 1-3 mm long, abaxially moderately to densely scabrous, upper margin ciliolate, apices obtuse; blades 1.5-4 mm wide, flat or folded, abaxially smooth, veins slightly expressed, margins scabrous, adaxially lightly scabrous over the veins, apices abruptly prow-tipped; cauline blades subequal; sterile shoot blades like those of the culm.
|
|
<emphasis bold="true" pageId="21" pageNumber="22">Panicles</emphasis>
|
|
2-10 cm long, generally 1/6-1/3 as broad as long, erect, contracted or slightly open, linear, lanceoloid to ovoid, often interrupted, sparse to congested, with 15 to 80 spikelets; rachis with mostly 1-3 branches per node; primary branches erect to ascending, or infrequently spreading, fairly strict, 2-3 angled, angles distinctly scabrous (at least in part); lateral pedicels 1/5-2/3 their spikelet in length, scabrous, prickles moderately coarse; longest branches 0.5-3 cm, with 1-15 spikelets.
|
|
<emphasis bold="true" pageId="21" pageNumber="22">Spikelets</emphasis>
|
|
(2.3-)3.5-7 mm long, laterally compressed; not bulbiferous; grayish, often anthocyanic tinged, not lustrous; florets 3-7, hermaphroditic; rachilla internodes terete, mostly less than 1 mm long, smooth to muriculate; glumes lanceolate, subequal, distinctly keeled, keels scabrous; apices acute; lower glumes ca. 2 mm long, 3-veined; upper glumes ca. 2.1 mm long, 3-veined; calluses glabrous or more often webbed; web distinct, hairs short, woolly, sparse; lemmas 2.3-3.5 mm long, lanceolate, distinctly keeled, keels and marginal veins short villous proximally, between veins smooth, glabrous, intermediate veins obscure, margins narrowly scarious-hyaline, edges smooth or
|
|
<pageBreakToken pageId="22" pageNumber="23" start="start">with</pageBreakToken>
|
|
sparsely scaberulous, apices obtuse to acute; paleas densely scabrous over the keels, between keels smooth.
|
|
<emphasis bold="true" pageId="22" pageNumber="23">Flowers</emphasis>
|
|
chasmogamous; lodicules ca. 0.6 mm long, lanceolate, with a subequal lateral lobe in the upper 2/3; anthers 1.3-1.8 mm long.
|
|
<emphasis bold="true" pageId="22" pageNumber="23">Caryopses</emphasis>
|
|
1.4-1.5 mm long, elliptical in side-view, subtrigonous to subcylindrical in cross-section, brown, shallowly sulcate, hilum 0.2 mm long, oval, grain adherent to the palea. 2
|
|
<emphasis italics="true" pageId="22" pageNumber="23">n</emphasis>
|
|
= 35, 42, 49, 50, 56.
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="22" pageNumber="23" type="distribution">
|
|
<paragraph pageId="22" pageNumber="23">Distribution.</paragraph>
|
|
<paragraph pageId="22" pageNumber="23">This species is circumboreal in distribution and in North America it occurs in Canada, USA, and Mexico (Coahuila).</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="22" pageNumber="23" type="ecology">
|
|
<paragraph pageId="22" pageNumber="23">Ecology.</paragraph>
|
|
<paragraph pageId="22" pageNumber="23">This strongly rhizomatous, ruderal species occurs in mesic, cool temperate, semi-shaded to open habitats in seasonally soggy soils, sands to clays, both derived from calcareous and igneous substrates. Once established, this species readily spreads by rhizomes.</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="22" pageNumber="23" type="specimens examined">
|
|
<paragraph pageId="22" pageNumber="23">Specimens examined.</paragraph>
|
|
<paragraph pageId="22" pageNumber="23">
|
|
Mexico.
|
|
<emphasis bold="true" pageId="22" pageNumber="23">Coahuila:</emphasis>
|
|
51.6 km SE of Saltillo and 13 km SE of
|
|
<normalizedToken originalValue="Jamé">Jame</normalizedToken>
|
|
on road to Sierra La Viga, 3240 m, 26 Sep 1990, P.M.Peterson 10045, C.R.Annable & J.Valdes-Reyna (US).
|
|
</paragraph>
|
|
</subSubSection>
|
|
<subSubSection pageId="22" pageNumber="23" type="discussion">
|
|
<paragraph pageId="22" pageNumber="23">Discussion.</paragraph>
|
|
<paragraph pageId="22" pageNumber="23">
|
|
This species has been introduced into the New World for soil stabilization and it is presumed also to be native in northern USA and southern Canada (
|
|
<bibRefCitation author="Beal, WJ" journalOrPublisher="Willdenowia" pageId="69" pageNumber="70" refId="B3" refString="Beal, WJ, 1896. Grasses of North America. Vol 2. Henry Holt and Company, New York." title="Grasses of North America. Vol 2. Henry Holt and Company, New York." year="1896">Beal 1896</bibRefCitation>
|
|
), but has only recently been collected in Mexico.
|
|
<taxonomicName class="Liliopsida" family="Poaceae" genus="Poa" higherTaxonomySource="CoL" kingdom="Plantae" lsidName="" order="Poales" pageId="22" pageNumber="23" phylum="Tracheophyta" rank="species" species="compressa">
|
|
<emphasis italics="true" pageId="22" pageNumber="23">Poa compressa</emphasis>
|
|
</taxonomicName>
|
|
is presumed to be an introduction in Mexico, although the second author has observed this species in other northern Mexico states but did not obtain vouchers because it was not flowering.
|
|
</paragraph>
|
|
</subSubSection>
|
|
</treatment>
|
|
</document> |