Climbing perennial rhizomatous bamboo to 20m. Culm sheaths to 250mm x 50mm. Pubescent leaf sheaths, leaves to 170mm x 20mm. Fasciculate synflorescence to 50mm long with subtending bracts to 170mm long. Spikelets to 36mm long. Fertile lemma to 36mm long. 3 lodicules to 5mm long.