Culms tufted, 30–50 cm tall, erect, usually hard, scabrid, nodes 3 or 4, uppermost in lower 1/3; base covered by withered leaf sheaths. Shoots extravaginal. Leaf sheath scabrid, longer than blade; blade usually flat, later folded or inrolled, 1.5–2.5 mm wide, scabrid; ligule (2–)3–4.5(–6.5) mm. Panicle oblong, conferted, 7–15 cm, branches 2–3(–4.5) cm. Spikelets elliptic-lanceolate, green or tinged with purple, 4–6(–6.5) mm, florets 3–5(–7); rachilla glabrous; glumes oblong-lanceolate, apex accuminate, lower glume ca. 3.5 mm, upper glume 4–4.2 mm, margins dry membranous, keel scabrid; lemma oblong-lanceolate, 3.2–3.7(–4) mm; margins white or golden yellow membranous, keel and marginal veins usually shortly villous to glabrous along lower 1/2; callus glabrous. Anthers ca. 2 mm. Fl. Jun–Aug.
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