View source for ×elyleymus aristatus

{{Treatment/ID
|accepted_name=×elyleymus aristatus
|accepted_authority=(Merr.) Barkworth & D.R. Dewey
|publications=
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Elymus aristatus
|authority=
|rank=species
}}
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Triticeae;×elyleymus;×elyleymus aristatus
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Poaceae]]</div><div class="higher-taxon"><small>subfamily</small>[[Poaceae subfam. Pooideae]]</div><div class="higher-taxon"><small>tribe</small>[[Poaceae tribe Triticeae]]</div><div class="higher-taxon"><small>genus</small>[[×elyleymus]]</div><div class="higher-taxon"><small>species</small>[[×elyleymus aristatus]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 344
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>not or shortly rhizomatous. <b>Culms</b> 60-130 cm, glabrous. <b>Leaves</b> evenly distributed on the culms; sheaths smooth, glabrous; auricles poorly developed, to 0.5 mm; ligules 1-2.5 mm, scarious, rounded; blades about 5.5 mm wide, abaxial surfaces glabrous, mostly smooth, scabrous near the margins, adaxial surfaces scabridulous, primary veins separated by about 3 secondary veins. <b>Inflorescences</b> spikes, 6-15 cm long, 10-15 mm wide including the awns, 7-10 mm wide excluding the awns, erect, with 2-3 sessile or subsessile spikelets per node; internodes 4-7 mm, concealed by the spikelets; disarticulation tardy, in the rachises and beneath the florets. <b>Spikelets</b> 10-20 mm excluding the awns, to 18 mm including the awns, with 3-4 florets. <b>Glumes</b> 8-15 mm long, 0.3-0.5 mm wide, subequal to unequal, scabrous; lemmas 7.5-12 mm, glabrous, smooth or scabrous, sometimes only scabrous distally, midveins prominent and scabrous distally, awns 4-5 mm; anthers 2.2-2.4 mm.</span><!--

-->{{Treatment/Body
|distribution=Colo.;Wash.;Calif.;Oreg.;Wyo.;Idaho;Nev.
|discussion=<p>Dewey and Holmgren (1962) argued that ×Elyleymus aristatus comprises hybrids between <i>Elymus elymoides</i> and <i>Leymus cinereus</i> or <i>L. triticoides</i>. It has been found at many locations where the parents are sympatric.</p>
|tables=
|references=
}}<!--

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-->{{#Taxon:
name=×elyleymus aristatus
|authority=(Merr.) Barkworth & D.R. Dewey
|rank=species
|parent rank=genus
|synonyms=Elymus aristatus
|basionyms=
|family=Poaceae
|illustrator=Bee F. Gunn
|illustration copyright=Utah State University
|distribution=Colo.;Wash.;Calif.;Oreg.;Wyo.;Idaho;Nev.
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V24/V24_490.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Triticeae
|genus=×elyleymus
|species=×elyleymus aristatus
}}<!--

-->[[Category:Treatment]][[Category:×elyleymus]]