Perennials, tufted, densely rhizomatous. Culms 30–50 cm high. Leaves: ligule 0.1 mm long; blade flat, 3–4 mm wide, smooth, glabrous. Panicles open, widely interrupted, 17–27 cm long, 5–13 cm wide; axils pulvinate; branches naked near base. Spikelets long-pedicellate, linear-oblong, 4–9 mm long, 1.8–2 mm wide; rachilla zig-zagged; florets 5–14, loosely overlapping and partly exposing rachilla. Glumes persistent, unequal, lanceolate, chartaceous; lower glume 1.2–1.6 mm long; upper glume 1.8–2.2 mm long. Lemma lanceolate, 2–2.6 mm long, acute, coriaceous, 3-nerved; lateral nerves closer to margins than to midnerve. Palea ±equal to lemma; body lanceolate; keels scaberulous. Stamens 3; anthers c. 0.8 mm long. Grain not compressed, ellipsoid, obtuse, c. 0.8 mm long, striolate, brown.
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