Plants caespitose; innovation buds intravaginal. Culms 15–50 cm high. Inflorescences obliquely ovate. Spikelets 7–14 mm long, with 5–9 florets. Glumes slightly to substantially exceeding florets; lower glume 6.2–12.5 mm long, 2–2.5 mm wide. Lemma: body 1.5–3.2 mm long, becoming strawcoloured, glabrous or villous between the rows of tufts; both rows of hair tufts complete, with lower row equalling or exceeding upper row; lobes shorter than or as long as lemma body, usually very narrow; setae 1.4–6.5 mm long, longer than (or very rarely shorter than) lobes; awn 4.8–15.5 mm long, exceeding setae; awn column tightly twisted, exceeding lobes but shorter than setae. Palea obovate, 1.6–4 mm long, broad, 1–3 times as long as wide, slightly exceeding lemma sinus, sometimes longer. Anthers 0.3–1.2 mm long. Caryopsis 1–1.7 mm long.
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