Rhizome neck ca. 27 cm. Culms to 1.5 m, 4–6 mm in diam.; internodes terete, 9.5–14 cm, initially white powdery below nodes, glabrous; wall ca. 2 mm thick; supra-nodal ridges prominent or weakly so; sheath scar prominent, glabrous. Branches 1–5 per node. Culm sheath gradually deciduous, shorter than internodes, thickly papery, abaxially glabrous, margins brown ciliate; auricles falcate or subcircular, tomentulose; oral setae radiating, 6–8 mm; ligule arcuate, ca. 1 mm; blade reflexed, narrowly lanceolate, glabrous. Leaves 5–9 per ultimate branch; sheath margins glabrous; auricles falcate or subcircular; oral setae radiating; ligule truncate, ca. 1 mm, glabrous; blade lanceolate, 4–12 × 1.2–1.7 cm, glabrous, secondary veins 4-or 5-paired, transverse veins distinct, base broadly cuneate, one margin densely serrulate, other margin obscure so. Inflorescence unknown.
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