Annual. Culms solitary or tufted, erect, 40-180 cm tall, unbranched. Leaf sheaths usually glabrous; leaf blades 15-30 cm long, 4-10 mm wide, glabrous, margins sometimes scaberulous; ligule 3-6 mm. Panicle loose and open or contracted, 20-40 cm, nodding; branches spreading or contracted. Spikelets 2-3 cm, florets 2; rachilla straight, not disarticulating or fracturing irregularly at maturity, florets lacking a basal bearded callus, internodes short, less than 0.5 mm; glumes lanceolate, subequal, as long as spikelet, 7-9-veined; lemmas 1.2-2.5 cm, leathery in lower half, herbaceous and distinctly veined above, glabrous or nearly so, apex minutely and irregularly 2-4-denticulate; awn 2.5-3.5 cm, weakly geniculate or rudimentary or absent. Grain adherent to lemma and palea at maturity.