Green, nearly glabrous. Rhizome short, woody, slender. Stems 8-24 in. long, slender. Leaves 8-12 by in. Inflorescence 8-14 by 1/12-1/8 in. Inflorescence 8-14 by 1/2-1 1/2 in., very thin, lower peduncles remote with only 2-6 spikes. Spikes 1/4-1/3 by 1/8-1/6 in., uppermost with 3-5 utricles and a small oblong scarious-yellow male termination. Female glumes (including bristle) about as long as the utricle, ovate, 2/3 the length of the utricle, scarious white, glabrous, the green keel excurrent in a rough bristle. Utricle 1/12in. long, ellipsoid, trigonous, glabrous, green, finally black-brown, with about 24 well-marked nerves; beak about 1/4 the length of the utricle, smooth; nut ellipsoid, trigonous, quite filling the utricle.
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