Plants loosely caespitose; rhizomes horizontal, underground, 2–3 mm diam., covered in pale cataphylls, producing clusters of up to 5 tillers. Culms 25–70 cm high. Inflorescences sparsely paniculate, strongly exserted above the short basal clusters of leaves, with 3–25 bisexual spikelets. Spikelets 10–13.5 mm long, with 4–5 florets. Glumes equalling florets, obtuse or acute; lower glume 8.5–13 mm long, 3–5-nerved. Lemma: body 3.4–4.2 mm long; lobes 2.7–4 mm long, with setae 0–1.5 mm long (setae plus lobes 3.8–5 mm long); awn 7.5–11.3 mm long; awn column tightly twisted, 2.5–3.5 mm long, equalling lemma lobes. Palea 5.8–7 mm long, villous between keels. Anthers 1.2–4 mm long.
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