Culms 4–6 m, 1–2 cm in diam.; internodes terete, flattened above branches, to 37 cm, basally nearly solid, hollow further up culm; wall thick; nodes very prominent, minutely white hairy below nodes; root thorns few, short, conical. Culm sheaths gradually deciduous, oblong, thickly papery, proximally glossy-tawny hairy, distally pubescent, attenuate into slightly convex apex ca. 4 mm wide; auricles deciduous, tiny; ligule 1–1.5 mm, ciliate; blade linear, 3–5 × ca. 0.2 cm, both surfaces pubescent. Leaves 3–5 per ultimate branch; sheaths glabrous; auricles absent or tiny; ligule slightly convex, ca. 1 mm; blade linear, 5–14 × 0.5–0.9 cm. Inflorescence a panicle terminal to leafy branch. Spikelets 2.5–4 cm; florets 3–7. Glumes 2; rachilla internodes flattened, 4–5 mm, densely pubescent; lemma lanceolate, 0.9–1 cm, papery, pubescent; palea slightly longer than lemma; lodicules obovate, one shorter and narrower. Anthers unknown. Style short; stigmas 2. Caryopsis unknown. New shoots Apr–May, fl. May.
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A bamboo or rattan. It grows 4-6 cm tall. The culms are 1-2 cm wide. The internodes are 37 cm long. There are 3-5 leaves on the last branch. The leaves are 5-14 cm long by 1 cm wide.
It is a tropical plant. It grows in broad-leaved evergreen forest in Yunnan in China. It grows between 1,600-1,700 m altitude.
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Evergreen broad-leaved forests; at elevations from 1,700-1,900 metres.
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