Culms to 15 m long, to 1.5 cm in diam., apex long pendulous or clambering; internodes terete, to 72 cm, lower half glossy, glabrous, initially white powdery distally, with appressed red-brown hairs; wall ca. 1.5 mm thick. Branches 40–50 cm. Culm sheaths deciduous, oblong, with deciduous, stiff, red-brown hairs, base without a projection, margins glabrous, apex truncate or nearly so; auricles usually inconspicuous; oral setae 1–2 mm; ligule 1–2 mm, margin with fimbriae 8–15 mm; blade reflexed, linear-lanceolate, less than 1/2 length of sheath, abaxially glabrous, adaxially densely strigose, apex involute to acicular. Leaves 5–9 per ultimate branch; leaf blade linear-lanceolate or lanceolate, 5.5–15 × 0.6–1 cm, abaxially subglabrous, adaxially stiffly white hairy, margins glabrous, base rounded, apex acuminate. Inflorescence unknown.
Dense primary forest, and also in the more open, secondary formations of southern China. Usually cultivated in lowland Peninsular Malaysia, at elevations up to 200 metres.
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