Perennial, tufted, up to 0.9 m high. Leaf blades 300-400 mm long, up to 2 mm wide, filiform. Spikelets 20-25 mm long; pedicels connate; glumes with tubercle-based hairs along margins; female-fertile lemma side awns (10-)12(-14) mm long, central awns 30-50 mm long.