Culms slender, 17–30 cm tall, 3–4-noded, glabrous. Leaf sheaths glabrous; leaf blades usually involute, 5–17 × ca. 0.1 cm, abaxial surface glabrous, adaxial surface puberulous and pilose; ligule ca. 0.1 mm. Racemes 1–3, 2–4.5 cm, white hairy, tough, all spikelets pedicelled, disarticulating from pedicels at maturity; rachis internodes ca. 1.3 mm, ciliate; pedicels of a pair equal. Spikelets ca. 2 mm, yellowish brown; callus hairs 0.3–1.7 mm; lower glume pilose on back, obtuse; upper glume boat-shaped, mucronate, mucro 0.1–1 mm; lower lemma ovate-oblong, ca. 1 × 0.5 mm; upper lemma entire; awn 6–7 mm, weakly geniculate, column glabrous. Anthers 3, ca. 0.7 mm. Fl. and fr. Sep–Dec.
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