云南牛奶菜 yun nan niu nai cai

Gongronema yunnanense H. Léveillé, Cat. Pl. Yun-Nan 13. 1915; Marsdenia carnea Woodson; M. xuanenensis Z. E. Zhao & Y. M. Wang.

Lianas. Stems to 5 m, pubescent along 2 lines, glabrescent. Petiole 1.5-2 cm; leaf blade elliptic or elliptic-oblong, 6-12 × 1.5-4(-7) cm, subleathery, adaxially sparsely appressed-puberulent, abaxially pale and sparsely pubescent, base rounded to cuneate, apex caudate or short acuminate; lateral veins 6-8 pairs. Inflorescences umbel-like; peduncle 1.5-3 cm, pubescent. Pedicel 0.4-1 cm, pubescent. Sepals broadly ovate, 2-2.5 mm, pubescent. Corolla pink to white, narrowly campanulate; tube 5-7 × 3-5 mm, glabrous outside, pilose inside, densely so opposite corona lobes; lobes broadly ovate, ca. 2 × 3 mm, glabrous or pilose at base, ciliate. Corona lobes adnate to gynostegium, ± acute, basal half deeply grooved, shorter than anthers. Anthers longer than corona, base laterally compressed, apex subulate and membranous; pollinia reniform. Stigma head long beaked, ca. 3 mm. Follicles fusiform-ellipsoid, 9-12 × ca. 2 cm, glabrous. Seeds ca. 11 × 5 mm; coma ca. 2 cm. Fl. Jul-Sep, fr. Sep-Dec.

* Forests, bushland; 1000-2000 m. Hubei, Sichuan, Yunnan.