Plants rhizomatous, loosely caespitose. Culms erect or geniculately ascending from near base, 20–95 cm high, 2–5-noded. Leaves: basal leaf sheath margins connate in lower 1/2; blade 4–25 cm long, (2–) 3–7 (–10) mm wide. Panicles stiffly erect, 1–4 (–5) cm long. Spikelets subsessile or pedicellate, lanceolate to linear-oblong, 4.5–7 mm long. Glumes about equalling or shorter or longer than floret, ±equal or lower glume slightly shorter than upper, narrowly lanceolate, c. (4–) 5.5–6.5 (–7) mm long, acuminate or attenuate; margins obscurely ciliolate-scaberulous upwards, smooth near base; keel scabrous, hirsute. Callus with silky hairs to c. 2 mm long. Lemma narrowly ovate to narrowly lanceolate, 4–6.5 (–7) mm long, bifid with aristulate lobes 2–2.5 mm long, awned, 5 (–7)-nerved, scaberulous to puberulous towards apex; awn (5–) 10–22 (–30) mm long, inserted 1–2.6 mm below apex. Palea lanceolate, acute, with nerves puberulous towards apex. Anthers (0.6–) 1–2 mm long. Ovary glabrous. Caryopsis ellipsoid or lanceoloid.
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