Bromus laevipes Shear
Family: Poaceae
Bromus laevipes image
Keir Morse  

Plants perennial; not rhizomatous. Culms 50-150 cm, erect or basally decumbent, often rooting from the lower nodes; nodes 3-5(6), pubescent; internodes usually glabrous, often puberulent-pubescent just below the nodes, rarely puberulent throughout. Sheaths glabrous, sometimes slightly pubescent near the throat, sometimes with hairs in the auricular position; auricles absent or vestigial on the basal leaves; ligules 2-4.2 mm, glabrous, obtuse, lacerate; blades 13-26 cm long, 4-10 mm wide, light green or glaucous, flat, glabrous, sometimes scabrous on both surfaces. Panicles 10-20 cm, open, nodding; branches ascending to spreading, often drooping. Spikelets 23-35 mm, elliptic to lanceolate, terete to moderately laterally compressed, with 5-11 florets. Glumes glabrous, sometimes scabrous, margins often bronze-tinged; lower glumes 6-9 mm, 3-veined; upper glumes 8-12 mm, 5-veined; lemmas 12-16 mm, elliptic to lanceolate, rounded over the midvein, backs sparsely pilose, pubescent, or scabrous, margins densely pilose, at least on the lower 1/2, often bronze-tinged, apices acute to obtuse, entire, rarely slightly emarginate, lobes shorter than 1 mm; awns 4-6 mm, straight, arising less than 1.5 mm below the lemma apices; anthers 3.5-5 mm. 2n = 14.

The range of Bromus laevipes extends from northern Oregon to southern California. It grows in shaded woodlands and on exposed brushy slopes, at 300-1500 m.

Bromus laevipes image
Keir Morse  
Bromus laevipes image
Keir Morse  
Bromus laevipes image
Keir Morse  
Bromus laevipes image
Bromus laevipes image
Bromus laevipes image
Bromus laevipes image
Bromus laevipes image
Bromus laevipes image
Bromus laevipes image
Bromus laevipes image
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Bromus laevipes image
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Jaroenchai Phewban  
Bromus laevipes image
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Bromus laevipes image