湖南刚竹 hu nan gang zhu

Culms ca. 2.5 m, ca. 1.5 cm in diam.; internodes ca. 20 cm, initially thickly white powdery especially below nodes, scabrid; wall ca. 1.5 mm thick; nodes strongly elevated, nodal ridge more prominent than sheath scar. Culm sheaths green and pink, unmarked, white powdery, glabrous; auricles and oral setae absent; ligule pale pink, arcuate, sometimes convex at middle, 1–1.5 mm, margin ciliolate; blade erect, pink, linear-lanceolate, small. Leaves 2 or 3 per ultimate branch; auricles usually absent; oral setae deciduous; ligule arcuate to truncate, ciliolate; blade 6–9 × 0.6–1.2 cm, glabrous. New shoots May.

* Forests on mountain slopes; ca. 800 m. Hunan.