Elymus elymoides subsp. brevifolius

(J.G. Sm.) Barkworth
Common names: Longleaf squirreltail
Endemic
Synonyms: Sitanion hystrix var. brevifolium Elymus longifolius Elymus elymoides var. longifolius
Treatment appears in FNA Volume 24. Treatment on page 319.

Culms 25-65(77) cm, erect. Blades usually puberulent abaxially, sometimes glabrous. Spikes 7-20 cm, usually exserted, usually with 2 spikelets per node. Spikelets with (1)2-4(5) florets, lowermost floret functional. Glume awns 50-125 mm, entire; lemma awns 50-120 mm; paleas rarely with the veins extended as bristles.

Discussion

Elymus elymoides subsp. brevifolius has a wide ecological and elevation range, extending from the arid Sonoran Desert to subalpine habitats, from 600-3500 m. It extends further south than the other subspecies, into northern Mexico; it is rare in Canada.

Selected References

None.

Lower Taxa

None.
Mary E. Barkworth +, Julian J.N. Campbell +  and Bjorn Salomon +
(J.G. Sm.) Barkworth +
Longleaf squirreltail +
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. brevifolium +, Elymus longifolius +  and Elymus elymoides var. longifolius +
Elymus elymoides subsp. brevifolius +
Elymus elymoides +
subspecies +