Elymus elymoides subsp. hordeoides

(Suksd.) Barkworth
Synonyms: Sitanion hystrix var. hordeoides
Treatment appears in FNA Volume 24. Treatment on page 319.
Revision as of 20:21, 16 December 2019 by FNA>Volume Importer

Culms 10-20 cm, erect. Blades glabrous or puberulent abaxially. Spikes 3-6 cm, exserted or partly included, with 3 spikelets per node. Spikelets in the central position usually with 2 fertile florets, the lateral spikelets usually with rudimentary to awnlike florets. Glume awns 15-50 mm, usually entire; lemma awns of fertile florets 15-30 mm; paleas with or without distinct bristles.

Discussion

Elymus elymoides subsp. hordeoides grows in dry, rocky, often shallow soils, particularly in Artemisia rigida-Poa secunda communities, from eastern Washington and Idaho to northern California and Nevada. It resembles some Elymus-Hordeum hybrids.

Selected References

None.

Lower Taxa

None.
Mary E. Barkworth +, Julian J.N. Campbell +  and Bjorn Salomon +
(Suksd.) Barkworth +
Wash. +, D.C. +, Ill. +, Ky. +, Wyo. +, N.Mex. +, Tex. +, Idaho +, Oreg. +, Alta. +, B.C. +, Sask. +, Nev. +, Colo. +, Kans. +, N.Dak. +, Nebr. +, Okla. +, S.Dak. +, Calif. +, Ariz. +, Mont. +, Utah +  and Mo. +
Sitanion hystrix var. hordeoides +
Elymus elymoides subsp. hordeoides +
Elymus elymoides +
subspecies +