Culms ca. 50 cm, ca. 2 mm in diam.; internodes initially green, later red-brown, subterete, 7–12 cm, white powdery below nodes, subterete; nodal ridge elevated. Culm sheaths pale red, densely white pubescent, especially at base, margins ciliate; auricles and oral setae absent; ligule truncate, short; blade erect, purple-red, subulate. Branches 3 per node, central one thicker, 2–2.5 cm, lateral two ca. 1/2 as long as central one. Leaves 1 per ultimate branch; pseudopetiole ca. 8 mm; blade ovate to triangular, 6–8 × 1–2.3 cm, broadest near base, both surfaces glabrous, secondary veins 7- or 8-paired, tessellations square, base rounded or subtruncate, apex abruptly acuminate, shortly caudate.

* Zhejiang.