Plants to 1.2 m tall, with shoots conspicuously extravaginal. Culms usually geniculate; nodes 2–4, exserted, sericeous. Leaves: ligule 0.5–2 mm long, ovate to truncate, slightly laciniate, ciliate, coriaceous; auricles slightly thickened, tufted; blade usually inrolled, to 40 cm long, 2–5 mm wide, scabrous to pubescent, scarcely ribbed or smooth on abaxial surface. Inflorescence to 50 cm long, loosely contracted to open; spikelets gaping. Glumes unequal to subequal, 7–15 mm long, narrowly truncate to broadly obtuse. Callus 0.8–3.2 mm long, gently curved, with hairs darker than on lemma. Lemma 5–11.5 mm long, granular at base, tuberculate towards apex, brown to purple-brown at maturity, with a sparse indumentum of white to reddish brown hairs; coma to 1 mm long with a few hairs, or absent; lobe 1, 0.25 mm long, or absent; awn 20–90 mm long, with scabrous to pubescent column 8–45 mm long. Palea 0.5–1.2 mm shorter than lemma, acute to broadly acute. Lodicules 2 or 3; abaxial lodicules oblong to spathulate; paleal acute or absent.
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