Show Lower Taxa
Difference between revisions of "Bromus sect. Genea"
Treatment appears in FNA Volume 24. Treatment on page 224.
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Revision as of 19:15, 24 September 2019
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.
Lower Taxa
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 |
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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 +
Bromus sect. Genea +
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