Perennial rhizomatous bamboo with scandent woody culms to 8m, puberulous culm-sheaths to 50mm x 35mm puberulous above & glabrous beneath, deciduous culm-sheath blade 10mm long. Setose foliage leaf-sheath, glabrous or puberulous leaves to 35mm x .23mm. Racemes to 210mm long, fertile purplish spikelets to 60mm x 3mm mottled with green spots, pubescent lower glumes to 6mm x 1.5mm, pubescent upper glumes to 9mmx 2mm, coriaceous fertile lemma to 18mm x 2.2mm