Spreading perennial, up to 1.5 m tall, rhizomes well-developed, enclosed by hairy scales, culms branched. Leaf blades flat to somewhat rolled; ligule a fringed membrane to a fringe of hairs. Inflorescence a raceme-like, verticillate panicle. Spikelets 8-10 mm long, green or straw-coloured, tinged with purple, glumes shorter than to as long as spikelet, sterile lemmas smooth, villous, mucronate to aristate.
Tufted, erect perennial to 1 500 mm high; rhizome long; base sub-bulbous, with overlapping hairy cataphylls. Leaf blade 30-100 x to 5 mm, rolled, often deciduous. Spikelet 8-10 x 2-3 mm; glumes almost equal, 1/2-3/4 as long as spikelet, translucent, 5-nerved; sterile lemmas similar, profusely hairy, awned; 2nd sterile lemma without an ear-like appendage at base; anther 4.0-5.1 mm long.
Rigid, branching perennial to 1.5 m, with well-developed hairy rhizomes. Leaves linear-lanceolate, short-lived. Spikelets in a contracted or verticillate panicle, straw-coloured and purple, glumes shorter than to as long as spikelet, sterile lemmas smooth, villous, mucronate to aristate.