Bromus sect. Genea

Dumort.
Treatment appears in FNA Volume 24. Treatment on page 224.
Revision as of 20:20, 16 December 2019 by FNA>Volume Importer

Plants annual. Spikelets with parallel or diverging sides in outline, terete to moderately laterally compressed, with 4-11 florets. Lower glumes 1-3-veined; upper glumes 3-5-veined; lemmas lanceolate to linear-lanceolate, rounded over the midvein, apices acuminate, teeth 0.8-5 mm; awns straight or arcuate, arising 1.5 mm or more below the lemma apices.

Discussion

Bromus sect. Genea is native to Europe and northern Africa; five of its six species are established in the Flora region.

Selected References

None.

Key

1 Lemmas 20-35 mm long Bromus diandrus
1 Lemmas 9-20 mm long. > 2
2 Spikelets usually shorter than the panicle branches; panicle branches ascending to spreading or drooping. > 3
3 Lemmas 14-20 mm long; panicles with spreading, ascending, or drooping branches, rarely with any branches with more than 3 spikelets Bromus sterilis
3 Lemmas 9-12 mm long; panicles with drooping branches, often with 1 or more branches with 4-8 spikelets Bromus tectorum
2 Spikelets longer than the panicle branches; panicle branches ascending to spreading, never drooping. > 3
4 Some panicle branches 1-3+ cm long, most branches visible Bromus madritensis
4 Panicle branches 0.1-1 cm long, usually not readily visible Bromus rubens
... more about "Bromus sect. Genea"
Leon E. Pavlickf +
Dumort. +
Conn. +, Mass. +, N.H. +, N.J. +, N.Y. +, Calif. +, Del. +, N.C. +, Va. +, W.Va. +, Vt. +, D.C +, Wis. +, Colo. +, Kans. +, Nebr. +, Okla. +, Idaho +, Mont. +, Oreg. +, Wash. +, Wyo. +, Pacific Islands (Hawaii) +, N.Mex. +, Utah +, Maine +, R.I. +, Fla. +, Ala. +, Ark. +, Ariz. +, Ga. +, Iowa +, Ill. +, Ind. +, Ky. +, La. +, Md. +, Mich. +, Minn. +, Mo. +, Miss. +, N.Dak. +, Nev. +, Ohio +, Pa. +, S.Dak. +, Tenn. +, Tex. +, Alaska +, S.C. +, Alta. +, B.C. +, Greenland +, Man. +, N.B. +, Nfld. and Labr. +, N.S. +, N.W.T. +, Nunavut +, Ont. +, P.E.I. +, Que. +, Sask. +  and Yukon +
Gramineae +
Bromus sect. Genea +
section +