Culms 2–3 m, 1–1.5 cm in diam.; internodes 20–30 cm, glabrous; nodes slightly prominent, branching from 7th to 8th node up. Culm sheaths deciduous, ± stiffly brown hairy, margins glabrous, apex convex; auricles unequal, oblong, ends ascending, usually partly covered by blade; ligule ca. 1.5 mm, denticulate, ciliolate; blade deciduous, erect, base slightly rounded, ca. 1/4 × as wide as sheath apex. Leaf blade linear-lanceolate, 5.5–21 × 0.8–1.8 cm, abaxially pubescent, adaxially glabrous. Inflorescence unknown.
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