Thornless woody rhizomatous climbing bamboo, culms to 10m aging yellowish, coriaceous culm leaves, culm sheaths to 150mm x 60mm glabrescent above & glabrous beneath, mucronate leaves to 24mm x 10mm. Glabrous foliage leaves to 275mm x 43mm with scabrous margins. Pseudospikelets to 110mm x 5mm with subtending bracts, lemmas to 23mm x 9mm. Dark brown glabrous fruit to 10mm x 2.6mm with pilose style to 2.7mm long