EcoFlora - Bromus catharticus var. catharticus

Bromus catharticus var. catharticus
Family: Poaceae [Bromus unioloides var. major A. Zobel, more] Sue Carnahan	FNA Resources Leon E. Pavlick and Laurel K. Anderton. Flora of North America Plants annual or biennial; tufted. Culms 30-120 cm, erect or decumbent. Sheaths densely, often retrorsely, hairy, hairs sometimes confined to the throat; ligules 1-4 mm, glabrous or pilose, erose; blades 4-26 cm long, 3-10 mm wide, glabrous or hairy on both surfaces. Panicles 9-28 cm, open, erect or nodding; lower branches 1-4 per node, spreading or ascending, with 1-5 spikelets. Spikelets 20-30 mm, with 6-12 florets. Lower glumes 5-7-veined; upper glumes 9-13 mm, (7)9(11)-veined; lemmas 11-20 mm, glabrous or scabrous, sometimes pubescent distally, (9)11-13-veined; awns absent or to 3.5 mm; anthers about 0.5 mm in cleistogamous florets, 2-4 mm in chasmogamous florets. 2n = 42. Bromus catharticus var. catharticus is native to South America. It has been widely introduced in the Flora region as a forage crop and is now established, particularly in the southern half of the United States. It usually grows on disturbed soils.
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