Perennial climbing rhizomatous bamboo, woody culms to 5m, leaf-sheaths glabrous or puberulous, glabrous or puberulous leaves to 60mm x 3mm. Racemes to 120mm long, spikelets to 16mm, lower glumes to 3.5mm long, upper glumes to 7mm long, lower lemma to 5.5mm long, coriaceous fertile lemma to 6mm long, lemma surface hispid