Culms 3–5 m, ca. 1 cm in diam.; internodes dark green, 20–36 cm, basal ones glabrous but apical internodes hairy, initially glaucous. Branches 3–5 per node, erect. Culm sheaths persistent, sparsely white or light brown setose; auricles falcate; oral setae curved; ligule arcuate, ca. 3 mm; blade erect, broadly ovate-lanceolate, nearly as wide as sheath apex, base slightly constricted. Leaves 4–9 per ultimate branch; sheath deciduous, glabrous or sparsely setulose, margins ciliolate; auricles absent; oral setae few; ligule truncate, rigid, 1–1.5 mm; pseudopetiole ca. 2 mm; blade linear-lanceolate or narrowly oblong, 7–22 × ca. 1.6 cm, glabrous or abaxially slightly hairy, secondary veins 3–5-paired, base cuneate, one margin spinescently serrulate, other margin entire, apex acuminate. Inflorescence unknown. New shoots May–Jun.
Home