Culms geniculate at nodes, 8–25 cm tall, usually 3-noded, pubescent below spike. Leaf sheath scabrous and puberulent on lower leaves, glabrous and slightly inflated on upper leaves; leaf blade green, flat, 2–5 × 0.2–0.4 cm, both surfaces pubescent, adaxial surface also shortly pilose along veins. Spike ellipsoid-ovoid, 1.5–3 × 0.8–1.6(–1.8) cm. Spikelets green, 9–14 mm, with 3–5 florets, villous. Glumes linear-lanceolate, laterally strongly compressed, asymmetric, contorted, nearly as long as spikelet including awns, keeled, with 2 or 3 distinct lateral veins, apex long acuminate with awn 4–6 mm. Lemma lanceolate, pubescent, apex gradually tapering to scabrous awn 4–5 mm; first lemma 6–7 mm excluding awn. Palea slightly shorter than or equaling lemma, sparsely shortly ciliate along keels; keels prolonged into 2 short, blunt teeth. Fl. and fr. Apr–May.
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