Slender scandent woody bamboo with glabrous culms to 10m. Glabrous foliage leaves to 200mm x 50mm. Panicles to 300mm long with bracts & scaberulous branches to 120mm long. Lower glumes to 3mm long, upper glumes to 6mm long, sterile floret to 8mm long, fertile floret to 13mm x 2mm, 3 lodicules.