Difference between revisions of "Elymus ciliaris"
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| − | |discussion=<p>Elymus ciliaris is native to northern China and Japan. It was collected from ballast dumps in Portland, Oregon, in 1899 and 1902; it is not established in the Flora region. A.S. Hitchcock identified both specimens on the sheet (US 1017954) as Agropyron caninum (L.) P. Beauv. [= Elymus caninus, p. 322], from which E. ciliaris differs in its short, rounded paleas and relatively short glumes with distinctly outwardly curving keels. The other specimen on that sheet is E. tsuskushiensis (p. 336).</p> | + | |discussion=<p><i>Elymus ciliaris</i> is native to northern China and Japan. It was collected from ballast dumps in Portland, Oregon, in 1899 and 1902; it is not established in the Flora region. A.S. Hitchcock identified both specimens on the sheet (US 1017954) as <i>Agropyron</i> caninum (L.) P. Beauv. [= <i>Elymus caninus</i>, p. 322], from which <i>E. ciliaris</i> differs in its short, rounded paleas and relatively short glumes with distinctly outwardly curving keels. The other specimen on that sheet is E. tsuskushiensis (p. 336).</p> |
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|references= | |references= | ||
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name=Elymus ciliaris | name=Elymus ciliaris | ||
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|authority=(Trin.) Tzvelev | |authority=(Trin.) Tzvelev | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Cindy Roché;Annaliese Miller | ||
| + | |illustration copyright=Utah State University | ||
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
|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_477.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Triticeae | |tribe=Poaceae tribe Triticeae | ||
Latest revision as of 16:24, 11 May 2021
Plants loosely cespitose, without conspicuous rhizomes. Culms 30-130 cm tall, 1-5 mm thick, erect or weakly decumbent; nodes 3-4, glabrous, glaucous. Leaves basal and cauline; sheaths glaucous, glabrous or with hairs, lower sheaths sometimes hairy, upper sheaths glabrous, margins sometimes ciliate; auricles 1.5-2.5 mm; ligules about 0.3 mm; blades 10-25 cm long, 3-10 mm wide, glabrous or pilose. Spikes 10-22 cm long, 1.5-2.5 cm wide including the awns, 0.8-1 cm wide excluding the awns, inclined to nodding, with 1 spikelet at all or most nodes; rachises scabrous on the edges, glabrous below the spikelets; internodes 10-25 mm. Spikelets 5-22 mm long, about 5 mm wide, appressed, with 4-12 florets; disarticulation above the glumes, beneath the florets. Glumes narrowly elliptic to lance-oblong, apices acute to acuminate; lower glumes 5-11 mm; upper glumes 7-13 mm; lemmas 7-12 mm, mostly glabrous, glabrate, or sparsely hairy, margins with coarse stiff hairs, hairs to 1 mm, apices abruptly narrowed, awned, awns 10-20 mm, scabrous, strongly outcurved to recurved; paleas 2/3 - 4/5 the length of the lemmas, keels winged distally, distinctly outwardly curved below the apices, apices 0.5-0.6 mm wide, truncate to rounded; anthers about 2 mm. 2n = 28. Genome StY.
Discussion
Elymus ciliaris is native to northern China and Japan. It was collected from ballast dumps in Portland, Oregon, in 1899 and 1902; it is not established in the Flora region. A.S. Hitchcock identified both specimens on the sheet (US 1017954) as Agropyron caninum (L.) P. Beauv. [= Elymus caninus, p. 322], from which E. ciliaris differs in its short, rounded paleas and relatively short glumes with distinctly outwardly curving keels. The other specimen on that sheet is E. tsuskushiensis (p. 336).
Selected References
None.