Initially erect then decumbent occasionally scandent rhizomatous bamboo, culms to 10m, culm sheaths to 120mm long. Leaf sheaths to 140mm long, glabrous or pilose leaf blades to 270mm x 53mm. Panicles to 230mm x 255mm, spikelets to 42mm x 4mm, lower glumes to 6.3mm, upper glumes to 8.5mm, fertile lemma to 12.8mm, 3 lodicules.