Perennial climbing rhizomatous bamboo, woody culms arching to 20m, hispid culm-sheaths, culm-sheath blade to 70mm long, scaberulous glabrous leaves to 130mm x 16mm. Racemes to 60mm long, spikelets to 20mm long, lower glumes to 4mm long, upper glumes to 8mm long, lower lemma to 9mm long, coriaceous fertile lemma to 11mm long