Culms ca. 1 m, 1.5–4 mm in diam.; internodes pale yellow, triangular, glossy, glabrous, grooved above branches; cavity small; nodal ridge rather elevated; intranode 2–4 mm. Culm sheaths brown, apex acuminate; auricles and oral setae absent; blade subulate, small. Branches 3 or 4 per node, 2–4-noded; internodes 0.5–1 cm, sparsely hispid. Leaves 1 per ultimate branch; sheath 1–2 cm; ligule short; pseudopetiole 4–8 mm, glabrous or scarcely pubescent; blade abaxially gray-green, adaxially green, lanceolate, 7–10 × 2–3(–4) cm, broadest near base, abaxially pilulose, adaxially glabrous, secondary veins 6–8-paired, tessellation distinct, base suborbicular, margins minutely serrulate, apex abruptly acuminate. Inflorescence unknown.
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