Tufted perennial 700-1300 mm high; old leaves break off above sheath mouth, the remaining pieces usually split along midrib and the two halves curl away from each other. Leaf blade to 650 x to 1.3 mm. Inflorescence 170-270 mm long, loosely contracted, interrupted and shortly branched. Spikelet to 13 (including awns) x to 6 mm, (2-)3-4-flowered; glumes 9-14 mm long, 1-3-nerved; lemma 10 mm long, back with 3 tufts of white hairs on either side of central nerve near margins, tufts on the margins are mostly basal; lobes usually fully adnate to central awn, awns absent; central awn 5-8 mm long, seldom geniculate; anther 1.5-3.8 mm long.
Perennial; up to 1.3 m high; tufted. Leaf blades up to 650 x 1.3 mm; old leaves breaking off above sheath mouth; remaining leaf bases sometimes splitting along midrib and 2 halves curling away from each other. Flowers: panicle loosely contracted; racemes interrupted; shortly branched; 170-270 mm long; spikelets up to 13 x 6 mm; including awns; 2-4-flowered; glumes 9-14 mm long; 1-3-nerved; lemmas 10 mm long; lobes completely adnate to central awn; lateral awns absent; lemma backs with 3 equally spaced tufts of white hairs on either side of central nerve; tuft on margins being most basal; central awn 5-8 mm long; seldom geniculate.