Tufted perennial 300-600 mm high, erect; rhizomes long, slender. Leaf blade 25-120 x 2-4 mm, expanded. Spikelet 4.0-7.5 mm long; glumes equal, 0.5-2.0 mm longer than spikelet; sterile lemmas similar, glabrous, awnless; 1st sterile lemma shorter than 2nd sterile lemma; 2nd sterile lemma with a pair of ear-like appendages at base; anther 1.8-2.2 mm long.
Perennial; up to 0.6 m high; rhizomes long and slender; or tufted and erect. Leaf blades 25-120 x 2-4 mm; flat. Flowers: panicle contracted; spikelets 4.0-7.5 mm long; glumes equal; 0.52.0 mm longer than spikelet; sterile lemmas similar; glabrous; shining; not awned; second pair with ear-like appendages at base.