Culms ca. 3 m, ca. 1.7 cm in diam.; internodes 40–70 cm, conspicuously grooved above branches, initially hairy; nodes very prominent, brown hairy below corky ring. Branches 3 per node. Culm sheaths deciduous, green, conspicuously many purple veined, spots absent, not or only thinly glaucous, abaxially deciduously sparsely hispid, basally brown hairy, hairs ca. 3 mm; auricles and oral setae absent; ligule truncate, shortly ciliolate; blade deciduous, lanceolate, ca. 2.5 cm. Leaves 3–5 per ultimate branch; sheath glabrous, auricles and oral setae absent; blade oblong-lanceolate, 7–14 × 1.3–2 cm, abaxially white pubescent. Inflorescence unknown. New shoots middle May.
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