Difference between revisions of "Leymus simplex"
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|basionyms= | |basionyms= | ||
|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
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|name=Elymus simplex | |name=Elymus simplex | ||
| − | |authority= | + | |authority= |
| + | |rank=species | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Triticeae;Leymus;Leymus simplex | |hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Triticeae;Leymus;Leymus simplex | ||
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|distribution=Colo.;Utah;Wyo.;Calif.;Nev.;Ariz.;Oreg. | |distribution=Colo.;Utah;Wyo.;Calif.;Nev.;Ariz.;Oreg. | ||
| − | |discussion=<p>Leymus simplex is found in meadows and drifting sand in southern Wyoming, and along the Green River in northeastern Utah.</p> | + | |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= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Leymus simplex | name=Leymus simplex | ||
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|authority=(Scribn. & T.A. Williams) D.R. Dewey | |authority=(Scribn. & T.A. Williams) D.R. Dewey | ||
|rank=species | |rank=species | ||
|parent rank=genus | |parent rank=genus | ||
| − | |synonyms= | + | |synonyms=Elymus simplex |
|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Cindy Roché | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Colo.;Utah;Wyo.;Calif.;Nev.;Ariz.;Oreg. | |distribution=Colo.;Utah;Wyo.;Calif.;Nev.;Ariz.;Oreg. | ||
|reference=None | |reference=None | ||
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|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/200273ad09963decb8fc72550212de541d86569d/coarse_grained_fna_xml/V24/V24_513.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Triticeae | |tribe=Poaceae tribe Triticeae | ||
Latest revision as of 13:30, 14 December 2022
Plants not cespitose, strongly rhizomatous, often glaucous. Culms 35-75 cm tall, 1-2.5 mm thick, solitary or few together, glabrous or sparsely pubescent near the nodes. Leaves 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. Spikes 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. Spikelets 16-25 mm, pedicellate, pedicels 1-2(5) mm, with 3-12 florets. Glumes 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. 2n = 28.
Distribution
Colo., Utah, Wyo., Calif., Nev., Ariz., Oreg.
Discussion
Leymus simplex is found in meadows and drifting sand in southern Wyoming, and along the Green River in northeastern Utah.
Selected References
None.
Key
| 1 | Culms 55-75 cm tall; spikes 10-27 cm long; internodes 10-20 mm | Leymus simplex var. luxurians |
| 1 | Culms 35-55 cm tall; spikes 1.5-13 cm long; internodes 7-9 mm | Leymus simplex var. simplex |