Culms 100–200 cm high; leaf sheaths with auricles 4–20 mm long.
Inflorescence of 1–4 racemes, each 8–25 cm long, white-villous.
Spikelet callus 1.5–2 mm long, conical, sharply acute.
Superior lemma with a puberulous awn 1.5–3 cm long.
Inferior glume 6.5–8 mm long, villous.
Caespitose perennial.