Shrub-like perennial, up to 1 m tall, rhizomes well-developed, culms branching, culm nodes villous. Leaf blades flat; ligule a fringe of hairs or a short fringed membrane. Inflorescence a raceme-like, verticillate panicle. Spikelets 9-13 mm long, green or straw-coloured, sometimes tinged with purple, glumes shorter than spikelet, sterile lemmas corrugated near apex, keel and margins villous, mucronate to aristate.