Woody rhizomatous climbing & arching bamboo to 7m. Glabrous culm leaf sheaths to 150mm x 50mmwith yellow & purple spots when young becoming mottled, culm leaves to 110mm x 32mm, glabrous beneath & pubescent on margin & above, mainly glabrous foliage leaf sheaths fimbriate at summit, foliage leaves to 220mm x 40mm, pilose above & glabrous beneath. Erect terminal coflorescences to 150mm long with a subtending bract, spikelets to 50mm x 6mm, 2-3 glabrous glumes , lower glumes 5.5mm x 2.5mm, middle glume 7mm x 3mm, mucronate upper glumes 8mm x 3mm, lemmas to 10.5mm x 5mm.