View source for Leymus simplex

{{Treatment/ID
|accepted_name=Leymus simplex
|accepted_authority=(Scribn. & T.A. Williams) D.R. Dewey
|publications=
|common_names=Alkali wildrye
|basionyms=
|synonyms={{Treatment/ID/Synonym
|name=Elymus simplex var. luxurians
|authority=unknown
}} {{Treatment/ID/Synonym
|name=Elymus simplex
|authority=unknown
}}
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Triticeae;Leymus;Leymus simplex
|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>[[Leymus]]</div><div class="higher-taxon"><small>species</small>[[Leymus simplex]]</div></div>
|volume=Volume 24
|mention_page=
|treatment_page=page 359
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Plants </b>not cespitose, strongly rhizomatous, often glaucous. <b>Culms</b> 35-75 cm tall, 1-2.5 mm thick, solitary or few together, glabrous or sparsely pubescent near the nodes. <b>Leaves</b> exceeded by the spikes; sheaths glabrous, smooth; auricles infrequently present, to 0.8 mm, the auricular location often with hairs to 2 mm; ligules 0.3-0.5 mm, truncate, erose; blades 4-29 cm long, 1-2(5) mm wide, flat, becoming involute when dry, stiff, adaxial surfaces scabrous, with scattered hairs to 2 mm, veins 7-11, subequal, prominently ribbed. <b>Spikes</b> 1.5-27 cm long, 4-15 mm wide, with 1 spikelet per node at midspike, sometimes with 2 at the lower nodes; internodes 7-20 mm, surfaces glabrous or strigillose, edges ciliate, cilia to 1 mm. <b>Spikelets</b> 16-25 mm, pedicellate, pedicels 1-2(5) mm, with 3-12 florets. <b>Glumes</b> subequal, 8-12 mm long, 0.5-1.5 mm wide, subulate, tapering from about 1/4 of their length, stiff, glabrous at least at the base, the central portion thicker than the margins, keeled, 0-1(3)-veined, veins inconspicuous at midlength; lemmas 7-12 mm, glabrous, awned, awns 2.3-6.5(12) mm; anthers 3.7-4.5 mm, dehiscent. <b>2n</b> = 28.</span><!--

-->{{Treatment/Body
|distribution=Colo.;Utah;Wyo.;Calif.;Nev.;Ariz.;Oreg.
|discussion=<p><i>Leymus simplex</i> is found in meadows and drifting sand in southern Wyoming, and along the Green River in northeastern Utah.</p>
|tables=
|references=
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Culms 55-75 cm tall; spikes 10-27 cm long; internodes 10-20 mm
|[[Leymus simplex var. luxurians|Leymus simplex var. luxurians]]
|-id=key-0-1
|1
|Culms 35-55 cm tall; spikes 1.5-13 cm long; internodes 7-9 mm
|[[Leymus simplex var. simplex|Leymus simplex var. simplex]]
|}
</div></div><!--

-->{{#Taxon:
name=Leymus simplex
|author=
|authority=(Scribn. & T.A. Williams) D.R. Dewey
|rank=species
|parent rank=genus
|synonyms=Elymus simplex var. luxurians;Elymus simplex
|basionyms=
|family=Poaceae
|distribution=Colo.;Utah;Wyo.;Calif.;Nev.;Ariz.;Oreg.
|reference=None
|publication title=
|publication year=
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V24/V24_513.xml
|subfamily=Poaceae subfam. Pooideae
|tribe=Poaceae tribe Triticeae
|genus=Leymus
|species=Leymus simplex
}}<!--

-->[[Category:Treatment]][[Category:Leymus]]