Erect, caespitose annual. Culms to 20 cm tall, 3-noded; mid-culm node glabrous, internode finely and closely scabrous. Leaves: basal sheaths smooth to scaberulous; ligule 1.5–5 mm long, acuminate or acute, becoming laciniate; blade flat or folded, to 6 cm long, 0.4–1.8 mm wide. Panicles open, 2–6 (–10) cm long, shortly exserted; peduncle scabrid; primary branches clustered, spreading, bare at base. Spikelets few, 2–3.5 mm long; pedicel clavate, antrorsely scabrous; rachilla c. 0.5 mm long, long-hairy. Glumes diverging, subequal. Lemma 2–2.5 mm long, puberulous, 5-nerved, erose or 4-toothed, usually awned or muticous; awn arising from upper half of lemma, not or barely exceeding spikelet, with column straight to slightly geniculate. Palea slightly shorter than lemma, entire to shortly bidentate. Stamens 3; anthers 1 mm long.
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