Show Lower Taxa
Bromus sect. Genea
Treatment appears in FNA Volume 24. Treatment on page 224.
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 |
"decumbent" is not a number.
... more about "Bromus sect. Genea"
absent +
common +
absent +
bulliform +
absent +
hairy +
acuminate +
absent +
absent +
unbranched +
distinct +
arising +
1.5 cm15 mm <br />0.015 m <br /> (?) +
close +
free +
hard +
thick +
parallel +
not evident +
involute +
drooping;reflexed;usually ascending;spreading +
spikelike +
developed +
glabrous +
not branching +
annual +
climbing +
floating +
not woody +
reduced +
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 +
1/6 +
capillary +
adjacent +
sometimes longer +
bisexual +
1-9(11)-veined +
lanceolate +
subtending +
absent +
1/4 +
unequal +
equal +
uncinate +
punctate +
compound +
reduced +
absent +
absent +
distichous +
5-13-veined +
adjacent +
absent +
lacerate +
membranous +
not veined +
truncate +
inconspicuous +
glabrous +
lanceolate +
1-3-veined +
simple +
absent +
well-developed +
usually shorter +
absent +
keeled +
reduced +
absent +
separating +
absent +
open +
prolonged +
evident +
open +
closed +
full +
pubescent +
parallel +
diverging +
ebracteate +
mixed +
attached +
not viviparous +
parallel-sided +
Bromus sect. Genea +
Bromus +
section +
hyaline +
membranous +
3-5-veined +
converging +
absent +
rhizomatous +
annual +