Culms densely tufted, 12–15 cm tall, 1-or 2-noded, glabrous. Leaf sheath glabrous; leaf blade involute, 2–5(–8) × 0.2–0.35 cm, abaxial surface glabrous, adaxial surface and margin scabrous. Spike ovate or oblong-ovate, dense or moderately lax, 3–7.5 × 1–1.5 cm excluding awns; rachis glabrous. Spikelets 10–13 mm, with 4–6 florets. Glumes oblong-lanceolate, villous or only scabrous along midvein, apex acute, acuminate, or pointed; proximal glume 5–6 mm, 3(or 4)-veined; distal glume 6–7 mm, 5-veined. Lemma 5-veined, densely pubescent; first lemma 7–8 mm; awn 1–7 mm. Palea slightly shorter than lemma, long ciliate along keels distally, apex emarginate or 2-lobed. Anthers black. Fl. and fr. late summer.
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