Lianas to 10 m, juvenile parts and inflorescences pubescent. Petiole 1.5-2 cm; leaf blade narrowly elliptic to oblong; 8-15 X 2.5-4.5 mm; lateral veins 10-13 pairs. Inflorescences 6-13-flowered. Sepals narrowly elliptic, ca. 7 X 2 mm, pubescent on both sides. Corolla yellow, tube ca. 1.2 cm; lobes ca. 11 8 mm. Ovary hirsute at apex. Style ca. 3.5 mm. Follicles very narrowly fusiform, 14-18 X ca. 1.5 cm, stipe 2-3 cm. Seeds dark brown, narrowly ellipsoid, 2-3 cm X 2-6 mm; coma white, silky, ca. 2 cm. Fl. Apr-Sep, fr. Aug-Dec.

* Dense montane forests; 1000-1800 m. Guizhou, SW Yunnan.