Difference between revisions of "Leymus ×multiflorus"
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|synonyms={{Treatment/ID/Synonym | |synonyms={{Treatment/ID/Synonym | ||
|name=Elymus triticoides subsp. multiflorus | |name=Elymus triticoides subsp. multiflorus | ||
| − | |authority= | + | |authority= |
| + | |rank=subspecies | ||
}} | }} | ||
|hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Triticeae;Leymus;Leymus ×multiflorus | |hierarchy=Poaceae;Poaceae subfam. Pooideae;Poaceae tribe Triticeae;Leymus;Leymus ×multiflorus | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Leymus ×multiflorus | name=Leymus ×multiflorus | ||
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|authority=(Gould) Barkworth & R.J. Atkins | |authority=(Gould) Barkworth & R.J. Atkins | ||
|rank=species | |rank=species | ||
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|basionyms= | |basionyms= | ||
|family=Poaceae | |family=Poaceae | ||
| + | |illustrator=Cindy Roché | ||
| + | |illustration copyright=Utah State University | ||
|distribution=Calif. | |distribution=Calif. | ||
|reference=None | |reference=None | ||
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|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_520.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 cespitose, rhizomatous. Culms 65-210 cm tall, 3-5 mm thick. Leaves exceeded by the inflorescences; auricles absent; ligules 0.5-2 mm, truncate, erose; blades 6-15 mm wide, both surfaces glabrous, adaxial surfaces with numerous closely spaced, unequal veins. Inflorescences 15-35 cm long, 9-25 mm wide, usually spikes, with 2-6 spikelets per node, occasionally some nodes with 1-2 branches, branches to 60 mm, strongly ascending; internodes 8-10 mm, usually glabrous, sometimes scabrous. Spikelets 17-25 mm, pedicellate, pedicels 0.5-2(5) mm, with 6-9 florets. Glumes 9-25 mm long, differing in length by 1-4 mm, usually exceeding the lowest lemmas, 0.5-2.5 mm wide, subulate to narrowly lanceolate, stiff, keeled, the central portion thicker than the margins, tapering from the bases, glabrous, smooth proximally, scabrous distally, 1(3)-veined, veins inconspicuous at midlength; lemmas 8-12 mm, glabrous, acute to awned, awns to 1.8 mm; anthers about 6 mm, indehiscent. 2n =42.
Discussion
Leymus ×multiflorus is a sterile hybrid between Leymus condensatus and L. triticoides that occurs near the coast of central and southern California.
Selected References
None.