Culms usually geniculate at base, 60–70 cm tall, 3-noded, puberulent below spike. Leaf sheath glabrous; leaf blade 12–19 × 0.4–0.6 cm, stiff, glabrous. Spike erect, 5–7 × ca. 0.8 cm. Spikelets greenish, ca. 12 mm, with 4 or 5 florets. Glumes oblong-ovate, 5–6 mm, 3-veined, glabrous or puberulent, apex acute; midvein prominent. Lemma densely villous, apex acute or pointed; first lemma ca. 9.5 mm. Palea equaling or slightly longer than lemma, ciliate along keels distally, apex emarginate or obtuse. Fl. and fr. late summer. 2n = 42*.
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