Plants stoloniferous; forming compact hummocks 0.4–0.6 m in diameter, 0.1–0.3 m high. Flowering culms 0.5–0.7 m high; stolons producing stout brown aerial roots. Leaves: sheath glabrous, smooth, the margins and orifice ciliolate, orifice with hairs 2–4 mm long; ligule 0.2–0.3 mm long with eciliate margin; blade folded, rigid, 4.5–6 (–7) cm long, 1–1.5 mm wide, spreading or recurved, with a pseudopetiole 4–6 mm long, glabrous. Inflorescence a spike, 15–20 cm long, 0.5–1 cm wide. Spikelets biseriate, separated or overlapping by less than half their length, sessile, lanceolate or linear-oblong, 12–17 mm long, 4–4.5 mm wide, tightly 8–16-flowered, pointed at the apex, pale brown becoming straw-yellow; rachilla stout. Glumes equal, ovate, 3.5–4 mm long, entire, mucronulate, scarious or cartilaginous to indurated, 3-nerved, glabrous. Callus 0.3 mm long, blunt, densely bearded with hairs to 3 mm long. Basal lemma ovate-lanceolate, 4.5–5 mm long, entire, aristulate, cartilaginous to indurated with lower margins scarious, strongly 3-nerved, occasionally with several partial nerves; midrib glabrous. Palea lanceolate, shorter than lemma (equal in upper florets), acute to minutely 2-lobed, 3-nerved; body glabrous, white; keels wingless. Anthers not seen.
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