Culms erect, apically drooping, to 3 m, 5–10 mm in diam.; internodes terete, 15–19 cm, initially white powdery; node slightly projected, sheath ring obvious with woody rudiment. Branches 5–15, secondary branches slender. Culm sheaths deciduous, narrowly triangular, 9–14 cm, thinly leathery, sparsely brown ciliate; auricles absent; ligule ca. 1 mm, ciliate; blade reflexed, 0.5–3 cm, adaxially pubescent. Leaves 3–5 per ultimate branch; leaf sheath auricles absent; ligule truncate, ca. 1 mm; blade 9–17 × 1–2.5 cm, abaxially white silky. Inflorescence unknown. New shoots Aug–Sep.
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