Culms 1.5–3 m, (0.7–)1–1.5 cm in diam.; internodes terete, 10–15(–18) cm, grooved above branches, glabrous or initially with short, stiff, gray-white hairs below nodes, solid or nearly so; nodes with slightly projecting sheath scar. Branches initially 3 per node, later 5–7. Culm sheaths gradually deciduous, narrowly triangular, usually shorter than internodes, papery, gray tubercular-setose, margins densely brown ciliate; auricles absent; oral setae 1 or 2 on each shoulder, gray; ligule truncate, ca. 0.5 mm; blade erect at basal culm nodes, reflexed on upper culm, triangular, 0.5–1(–5) mm, glabrous. Leaves (1 or)2 or 3 per ultimate branch; auricles and oral setae absent; ligule arcuate; blade lanceolate, (5–)10–18 × (0.9–)1.2–1.6 cm, glabrous, secondary veins 4–6-paired, transverse veins distinct, base cuneate, margins serrulate, apex acuminate. Inflorescence unknown. New shoots Oct.
Home