Indosasa chienouensis T. H. Wen, J. Bamboo Res. 2(1): 67. 1983; Acidosasa glauca B. M. Yang.

Culms 7–13 m, 4–10 cm in diam.; internodes initially green, 30–48 cm, glabrous, glaucous; wall 3–5 mm thick; nodes prominent, persistent sheath base initially setose. Culm sheaths glaucous-green, shorter than internodes, yellow-brown to brown setose, setae deciduous but leaving hairy traces, proximally denser and more persistent; auricles small, pubescent; oral setae radiating, ca. 5 mm; ligule prominent, arched, 2–3 mm; blade deciduous, erect or reflexed, green, narrowly lanceolate, margin serrulate. Leaves (3 or)4 per ultimate branch; sheath glabrous; auricles absent, cilia deciduous; ligule ca. 1 mm; blade lanceolate, 9–15 × 0.8–1.8 cm, secondary veins 4–6-paired. Inflorescence racemose, terminal. Spikelets 2–5, ± laterally compressed, 1.5–7.5 × 0.2–0.4 cm; florets 3–12(–15); pedicel 5–10 mm, glabrous. Rachilla ca. 5 mm, pubescent; glumes 2, glabrous; lemma 1.3–1.4 cm, sometimes sparsely pubescent, thinly glaucous, 7–13-veined, apex acuminate; palea shorter than lemma, apex rounded, ciliolate. Anthers ca. 4 mm. New shoots Mar–Apr, fl. Jun.

* 300–600 m. C Fujian, S Hunan.