Difference between revisions of "Leymus ×vancouverensis"
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|distribution=Calif.;Oreg.;Wash.;B.C. | |distribution=Calif.;Oreg.;Wash.;B.C. | ||
| − | |discussion=<p>Leymus ×vancouverensis grows at scattered locations on beaches along the Pacific coast, from southern British Columbia to California. It is a sterile hybrid, probably between L. mollis and L. triticoides (Bowden 1957). The northern populations are outside the current range of L. triticoides.</p> | + | |discussion=<p><i>Leymus ×vancouverensis</i> grows at scattered locations on beaches along the Pacific coast, from southern British Columbia to California. It is a sterile hybrid, probably between <i>L. mollis</i> and <i>L. triticoides</i> (Bowden 1957). The northern populations are outside the current range of <i>L. triticoides</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V24/V24_511.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Triticeae | |tribe=Poaceae tribe Triticeae | ||
Revision as of 16:20, 18 September 2019
Plants not cespitose, rhizomatous, green or slightly glaucous. Culms 60-122 cm tall, 2-3.5 mm thick, sparsely to densely pubescent below the spike. Leaves exceeded by the spikes; auricles to 1 mm; ligules 0.4-1.2 mm; blades to 9 mm wide, veins promimently rib¬bed, subequal, closely spaced. Spikes 7-32 cm long, 7-11 mm wide, sometimes glaucous, often purplish or green with traces of purple, with 1-2 spikelets per node; internodes 8-12 mm, surfaces hairy distally, hairs 0.1-0.3 mm, edges ciliate, hairs to 1 mm, coarser than the surface hairs. Spikelets 15-20 mm, with 2-6 florets. Glumes 9-28 mm long, 1.5-4 mm wide, lanceolate, glabrous towards the base, pubescent distally, midveins glabrous or with hairs to about 1.3 mm, stiff, keeled or flat proximally, keeled distally, the central portion thicker than the margins, 3(5)-veined at midlength, tapering from below midlength to an awn, awns to 4 mm; lemmas 8-10 mm, usually completely glabrous, margins and apices sometimes pubescent, apices tapering to an awn, awns to 4 mm; anthers 3.3-7.3 mm, indehiscent. 2n = 28, 42.
Distribution
Calif., Oreg., Wash., B.C.
Discussion
Leymus ×vancouverensis grows at scattered locations on beaches along the Pacific coast, from southern British Columbia to California. It is a sterile hybrid, probably between L. mollis and L. triticoides (Bowden 1957). The northern populations are outside the current range of L. triticoides.
Selected References
None.