Difference between revisions of "×leydeum littorale"
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| − | |discussion=<p>×Leydeum littorale consists of hybrids between | + | |discussion=<p>×Leydeum littorale consists of hybrids between Hordeum brachyantherum and Leymus mollis. It has been collected in the Matanuska Valley, Alaska, and on the coast of Vancouver Island, British Columbia; it may be more widespread.</p> |
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Cindy Roché and Annaliese Miller | ||
|reference=None | |reference=None | ||
|publication title= | |publication title= | ||
|publication year= | |publication year= | ||
|special status= | |special status= | ||
| − | |source xml=https:// | + | |source xml=https://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/314eb390f968962f596ae85f506b4b3db8683b1b/coarse_grained_fna_xml/V24/V24_535.xml |
|subfamily=Poaceae subfam. Pooideae | |subfamily=Poaceae subfam. Pooideae | ||
|tribe=Poaceae tribe Triticeae | |tribe=Poaceae tribe Triticeae | ||
Revision as of 17:08, 30 October 2019
Plants rhizomatous. Culms to 140 cm tall, about 3 mm thick. Leaves evenly distributed; sheaths smooth, glabrous; auricles 0.8-1 mm; ligules 0.2-0.5 mm, truncate, entire; blades to 20 cm long, 6-9 mm wide, glabrous, tapering from near the base, abaxial surfaces smooth, with 20+ veins, veins more or less equally prominent or the primary veins slightly more prominent than the secondary veins, adaxial surfaces scabridulous, apices narrowly acute. Spikes 6.5-15 cm long, 12-15 mm wide including the awns, 8-12 mm wide excluding the awns, nodes with 2-3 spikelets; internodes 3.5-5 mm, concealed by the spikelets; disarticulation in the rachises, possibly also in the spikelets. Spikelets 12-15 mm, with 1-3 florets, the distal florets reduced. Glumes equal, 11-13 mm long, 0.8-1.5 mm wide, 3-veined at midlength, hairy, hairs about 0.5 mm, somewhat divergent, tapering from below midlength, apices awned, awns 3-4 mm long; lemmas 13-15 mm, hairy, awns 1-3 mm; anthers about 2.8 mm long, 0.1-0.3 mm thick.
Discussion
×Leydeum littorale consists of hybrids between Hordeum brachyantherum and Leymus mollis. It has been collected in the Matanuska Valley, Alaska, and on the coast of Vancouver Island, British Columbia; it may be more widespread.
Selected References
None.