Woody rhizomatous climbing bamboo, culms to 5m, culm sheaths to 50mm x 15mm, glabrous above, puberulous to glabrous beneath, mucronate triangular glabrous culm leaves to 40mm x 20mm. Foliage leaf sheaths glabrous to glabrescent, striate & fimbriate at tips, to 40mm long, glabrous leaves to 185mm x 50mm. Coflorescence to 170mm long subtended by 1-2 bracts to 27mm x 4mm, spikelets to 17mm x 0.8mm, 1-2 glumes, lower glume to 4mm x 1.4mm, upper glume to 8.5mm x 2.5mm.