Growth Form: Large bamboo-like, spreading with culms up to 3m in height. Culms: Thick, cylindrical, branched. Sheaths: Persistent. Inflorescence. One or two spikelets at tip of culm (Haaksma and Linder say "single" spikelet at tip of culm?). Spikelets: Fat spindle-shaped (flowers in this observation had already "withered and died"