Climbing bamboo with zigzag culms, purplish glabrous culm sheaths to 130mm long, glabrous culm sheath blades to 140mm x 40mm, leaves to 230mm x 30mm, glabrous above, glabrous or pubescent beneath. Flowering branch to 2m long, spikelets 3mm long, glumes to 1.5mm x 1mm, lemma 2mm x 2mm, green fruit sometimes tinged red or pu8rple to 9mm diameter