Caespitose perennial up to 65 cm tall; culms slender; outer leaf sheaths striate, breaking up into a 5 cm deep cushion of fibres, the inner sheaths lanate; leaf lamina usually convolute, up to 16.5 cm × 3.5 mm (when expanded), attenuate, sparsely pilose above, glabrous below.
Panicle lax, up to 25 cm long, lanceolate, the branches spreading or ascending, glabrous, the terminal pedicels up to 19 mm long.