Perennial rhizomatous bamboo with erect or scandent culms drooping at the tip, coriaceous culm sheaths 150mm long, culm-sheath blade to 160mm x 56mm, glabrous leaves to 300mm x 45mm. Inflorescence 1.5m long with subtending bracts, glumes to 4mm long, fertile lemma 5mm long, fruit 7mm long