Tufted perennials 30-65 cm, spreading by wiry, scale-covered rhizomes. Leaf-sheath rounded, glabrous or with long fine hairs, shortly pubescent at junction with leaf-blade. Ligule 1.4-1.6 mm, truncate, minutely ciliate. Leaf-blade 10-15 cm, c. 3.5 mm wide if flat, or inrolled and 1-1.5 mm diam., rather stiff, finely pointed, abaxially finely scabrid, adaxially with a few scattered hairs; margins finely scabrid. Culm erect, stiff, minutely hairy at, and near nodes, internodes otherwise glabrous. Raceme (3)-6-12 cm, spike-like, with spikelets partly overlapping and often projecting outwards; pedicels minutely pubescent, c. 1 mm. Spikelets 2-3 cm, 7-16-flowered. Glumes linear-lanceolate, acute, firm, glabrous; lower 4-4.6 mm, 3-5-nerved, upper c. 6 mm, 5-7-nerved. Lemma 8-8.5 mm, 5-7-nerved, oblong-lanceolate, subcoriaceous, abaxially smooth, or scabrid on nerves near apex, adaxially scabrid or with minute hairs just below awn base; awn 3.5-4.5 mm. Palea ≈ lemma, oblong, slightly emarginate to obtuse, keels and apex ciliate. Anthers 3.5-5 mm. Caryopsis not seen.
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Perennial with widely spreading slender rhizomes. Culms tufted, 30–40(–120) cm tall, unbranched, 3–8-noded. Leaf sheaths glabrous or pubescent; leaf blades linear, flat, pale green, 5–15(–40) cm, 3–8 mm wide, pubescent or scabrous on both surfaces; ligule 1.5–2.5 mm, margin ciliate. Raceme 5–20 cm, usually erect, spikelets 4–15; pedicels 1–2 mm. Spikelets 1.8–4 cm, subterete, florets 8–24; glumes lanceolate or oblong-lanceolate, 3–6-veined, glabrous or thinly pubescent, acute, lower glume 3–5(–6) mm, upper glume 5–7(–8) mm; lemmas oblong-lanceolate, 7–11 mm, pubescent above middle and near margins, prominently 7-veined; awn 1–6 mm. Anthers 3–3.5(–5) mm.
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