Culms 5–8 m, 2–5 cm in diam.; internodes dark green or purple, 20–36 cm, minutely white setose and pubescent; nodes slightly prominent, slightly pubescent or glabrous; root thorns more than 30, dense, 7–14 mm. Culm sheaths deciduous, striate, gradually attenuate upward, longer than internodes, thickly leathery, sparsely appressed tawny setose, apex 1–1.5 cm wide, concave or truncate; auricles inconspicuous; oral setae few, deciduous; ligule conspicuous, 1–1.3 cm, fimbriate; blade erect or curved upward, lanceolate, 6–16 × 0.4–0.6 cm. Leaves 3–6 per ultimate branch; sheaths glabrous, ciliate; auricles inconspicuous; oral setae 5–11 mm; ligule truncate, ca. 1 mm, scabrous; blade linear-lanceolate, 5–15 × 0.5–1.1 cm, apex finely pointed, tip to 1 cm. Inflorescence unknown. New shoots Sep.
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A bamboo or rattan. It grows 5-8 m tall. The culms are 2-5 cm across. The internodes are dark green or purple and 20-36 cm long. There are 3-6 leaves on the last branch. The leaf blade is 5-15 cm long by 1 cm wide.
It is a tropical plant. It grows in evergreen broad-leaved forests between 1,500-1,800 m above sea level. In Yunnan.
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