掌秆竹 zhang gan zhu

Culms 1–3 m, 0.7–1.5 mm in diam.; internodes initially deep green, 30–40 cm, initially densely brown deciduously setose, pubescent below nodes; supra-nodal ridge weakly swollen, sheath base more prominent, persistent. Culm sheaths initially light green or slightly purple, deciduously brown setose, margins ciliate; auricles and oral setae absent; ligule short, scabrous; blade triangular-lanceolate, weakly rugose, abaxially glabrous, adaxially scabrous. Leaves 1 per ultimate branch; blade green, ovate-lanceolate, 14–22 × 4–6 cm, glabrous except for hairy midrib, base rounded, apex acute. Inflorescence unknown.

* Hardwood forests on low hills; ca. 200 m. NW Guangxi.

The large leaves are used for roofing shelters and also to wrap traditional rice dumplings known as "zong zi" (粽子).