Dendrocalamus exilis N. H. Xia & L. C. Chia; D. gui-yangensis N. H. Xia & L. C. Chia.

Culms (8–)12–15 m, (4–)6–9 cm in diam.; internodes (26–) 32–36 cm, initially densely white powdery; wall 8–13 mm thick. Branches usually from 6th or 7th node up, central branch dominant, 3–5 m. Culm sheaths deciduous, leathery, abaxially appressed black-brown setose; auricles undulate; oral setae 5–10 mm; ligule 2–4 mm, margin fringed or with setae ca. 1 cm; blade reflexed, lanceolate, 9–12 cm. Leaf sheaths glabrous; ligule ca. 1 mm; blade 8–40 × 1.5–8.5 cm. Inflorescence unknown.

* Guizhou.