Elymus canadensis var. brachystachys

(Scribn. & C.R. Ball) Farw.
Treatment appears in FNA Volume 24. Treatment on page 305.
Spikes 6-20 cm, nodding, not strongly glaucous, often becoming yellowish or pale reddish brown, rarely with 3 spikelets per node; internodes mostly 3-4 mm. Glumes not clearly indurate or bowed out at the base, awns 10-20 mm; lemmas smooth or scabridulous, awns usually 20-30 mm, moderately outcurving.

Discussion

Elymus canadensis var. brachystachys is widespread in the southern Great Plains from Nebraska to Mexico, where anthesis is from March to early June. It also occurs sporadically as far north as southern Canada, from British Columbia to Quebec. Plants of this variety occasionally appear introgressed from E. virginicus (p. 298), particularly E. virginicus var. jejunus, but not to the same extent as E. canadensis var. robustus.

References

None.

Lower Taxa

No lower taxa listed.

AuthorMary E. Barkworth +, Julian J.N. Campbell + and Bjorn Salomon +
Authority(Scribn. & C.R. Ball) Farw. +
DistributionConn. +, N.J. +, N.Y. +, Wash. +, Del. +, D.C +, Wis. +, W.Va. +, Wyo. +, N.H. +, N.Mex. +, Tex. +, N.C. +, Tenn. +, Pa. +, Alta. +, B.C. +, Man. +, N.B. +, N.W.T. +, Ont. +, Que. +, Sask. +, R.I. +, Nev. +, Va. +, Colo. +, Calif. +, Kans. +, N.Dak. +, Nebr. +, Okla. +, S.Dak. +, Ark. +, Vt. +, Ill. +, Ind. +, Iowa +, Ariz. +, Idaho +, Maine +, Md. +, Mass. +, Ohio +, Utah +, Mo. +, Minn. +, Mich. +, Mont. +, S.C. +, Ky. + and Oreg. +
IllustratorCindy Roché and Annaliese Miller +
ReferenceNone +
Source xmlhttps://bibilujan@bitbucket.org/aafc-mbb/fna-data-curation.git/src/314eb390f968962f596ae85f506b4b3db8683b1b/coarse grained fna xml/V24/V24 427.xml +
SynonymsGramineae +
Taxon familyPoaceae +
Taxon nameElymus canadensis var. brachystachys +
Taxon parentElymus canadensis +
Taxon rankvariety +
VolumeVolume 24 +