毛环方竹 mao huan fang zhu

Culms ca. 5 m tall, 1.5–2.5 cm in diam.; internodes slightly 4-angled, 13–14 cm, initially minutely setose, with a fulvous tomentose ring below each node, later verrucose; supra-nodal ridges prominent, basal nodes with rings of root thorns; sheath scar with a fulvous tomentose ring and persistent culm sheath base. Branches 3 per node. Culm sheaths deciduous, longer than internodes, thickly papery, sparsely minutely adnately brown setose, with distinct veins and purple-brown veinlets; ligule minute; blade subulate, 1–2 mm, apex acuminate. Leaves 2 or 3 per ultimate branch, sheaths glabrous; auricles absent; oral setae erect, pale; ligule minute; leaf blade oblong-lanceolate, 8–16 × 1.2–1.5 cm, secondary veins 4- or 5-paired, base broadly cuneate, apex acuminate. Inflorescence unknown.

* About 1100 m. Guizhou.