Perennial, densely tufted, up to 0.7 m high, branched at all upper nodes. Leaf blades up to 150 mm long. Spikelets 15-30 mm long (including awns); lower glume (including awns) two-thirds the length of the upper, awned; lemma without articulation; column of variable length; central awn sometimes solitary, lateral awns absent or weakly developed being very much shorter and more slender; callus tip naked, swollen, obtuse to truncate.