Culms ca. 50 cm, ca. 3 mm in diam.; internodes green, glabrous, flattened throughout on one side; nodal ridge strongly elevated. Culm sheaths pale green, sparsely deciduously brown strigose, base and margins glabrous, apex truncate; ligule weakly arcuate or truncate, margin ciliolate; blade erect, subulate, small. Branches 3 per node. Leaves 1 per ultimate branch, petiole 3–4 mm; blade ovate-lanceolate to elliptic, 5–7 × 1.5–2 cm, both surfaces glabrous, base rounded, asymmetric, secondary veins 6- or 7-paired, tessellation distinct, apex abruptly acuminate. Inflorescence unknown.

* Jiangxi, Zhejiang.