Difference between revisions of "Bromus hallii"
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Revision as of 19:15, 24 September 2019
Plants perennial; not rhizomatous. Culms 90-150 cm, erect; nodes 1-2(3), pubescent or puberulent; internodes usually puberulent, occasionally glabrous, pilose to densely pubescent below the nodes. Sheaths densely pubescent to pilose, hairs to 1 mm, collars pilose, hairs to 2 mm; auricles absent; ligules 0.5-2.5 mm long, sparsely to densely pubescent, obtuse, erose; blades 7.5-16.5 cm long, 3-12 mm wide, flat, densely pubescent on both surfaces. Panicles 5-16 cm, open; branches erect, ascending and appressed to slightly spreading. Spikelets 25-35(45) mm, terete to moderately laterally compressed, with 3-7 florets. Glumes sparsely to densely pubescent; lower glumes 5-8(9) mm, 1(3)-veined; upper glumes (7)8-9 mm, 3-veined, sometimes mucronate; lemmas 10-14 mm, elliptic, rounded over the midvein, backs sparsely to densely pubescent, margins pubescent, apices entire; awns 3.5-7 mm, straight, arising less than 1.5 mm below the lemma apices; anthers 3-6 mm. 2n = unknown.
Discussion
Bromus hallii grows in southern California on dry, open or shaded hillsides, rocky slopes, and in montane pine woods, from 1500-2700 m.
Selected References
None.