Culms 80–100 cm tall, 4-or 5-noded. Leaf sheath glabrous or puberulent proximally; ligule ca. 1 mm, apex truncate; leaf blade 10–15 cm, glabrous or adaxial surface pilose; rachis pale puberulent. Spikelets 2 per node, 3–4 mm, with 1 floret. Glumes usually absent, especially in proximal spikelets. Lemma lanceolate, 9–11 mm, 5-veined, with prickly hairs abaxially; callus obtuse, pubescent; awn 1.5–2.5 cm. Palea slightly shorter than lemma, laxly ciliate along keels. Anthers yellow, ca. 5 mm. Fl. and fr. May–Aug.
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