Culms 3–4 m high, to 2 cm diam., yellow at maturity; mid-culm internodes short, glabrous, not or slightly glaucous. Culm leaves auriculate, with auricles sparsely bristled; blade linear, reflexed, flat or apically wavy. Foliage leaves auriculate, with auricles prominently bristled; blade oblong or lanceolate, usually 7–15 cm long, 10–20 mm wide, flat, abaxially finely scabrous, with hairs fringing midrib near base and extending to petiole; blade margins scabrous only or predominantly on 1 side.
A bamboo. It grows up to 30 m tall. The culms can be 20 cm across. They are glossy dark green. The leaves are 9-20 cm long by 2-4.5 cm wide. The shoots are 45-48 cm long and 2-3 cm wide.