Bromus sect. Genea

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

Bromus diandrus, Bromus madritensis, Bromus rubens, Bromus sterilis, Bromus tectorum

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