Perennial bamboo with erect, climbing & leaning culms to 1.5m, glabrous to scabrous leaves to 130mm x 17mm, inflorescence from uppermost nodes to 80mm x 40mm, whitish female spiklelets to 5.8mm x 2.8mm with glumes to 5.1mm long, purplish male spikelets to 4.3mm x 1mm