Lianas woody, to 5 m, yellowish tomentose. Petiole ca. 2 cm; leaf blade ovate-oblong or ovate, 8-11 × 4-5 cm, adaxially puberulent, base rounded, apex obtuse; lateral veins 6-8 pairs. Inflorescences umbel-like, to 8 cm, ca. 10-flowered; peduncle to 5 cm. Pedicel to 2 cm. Calyx glands 10. Corolla subcampanulate; tube shorter than lobes, throat with dense reflexed pubescence; lobes oblong, minutely tomentose inside. Corona lobes ca. as long as anthers; pollinia oblong. Stigma head long beaked. Follicles fusiform, ca. 10 × 3 cm, glabrous. Seeds ovate; coma to 4 cm. Fl. Jul-Aug, fr. Aug-Nov.

* Forests; 500-1000 m. Hubei, Hunan, Sichuan, Yunnan, Zhejiang