Perennial, tufted. Culms decumbent at base, rooting at lower nodes, hard, 1–1.4 m tall, 2–3 mm in diam., branched. Leaf sheaths smooth, glabrous, lower blades disarticulating from sheaths; leaf blades lanceolate, 9–15 × 1–1.7 cm, smooth, glabrous, base cuneate, apex acuminate; ligule ca. 1 mm, ciliolate. Panicle elliptic in outline, 10–12 cm; branches spreading, 3–5 cm, undivided below middle, much branched above, ultimate branchlets shortly bearded at apex and bearing a spikelet pair or 3 spikelets; spikelets of a pair both pedicellate, pedicels unequal, clavate upward, shorter pedicel stout. Spikelets 4–4.7 mm; callus hairs ca. 0.7 mm; lower glume lanceolate-oblong, pilose, veins scaberulous, apex subacute or minutely mucronate; upper glume obtuse; lower floret staminate, palea well developed; upper lemma 2-lobed to below middle; awn 6–8 mm. Anthers 2.8–3 mm. Fl. and fr. Sep–Nov.
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