澜沧弓果藤 lan cang gong guo teng

Lianas to 6 m. Branchlets glabrescent. Petiole ca. 1 cm; leaf blade ovate-oblong to subelliptic, 11-15 × 5-7 cm, papery, adaxially glabrous, abaxially rusty puberulent, base rounded and obscurely auriculate, apex acuminate; lateral veins 7 or 8 pairs. Cymes 2-3 cm, rusty tomentose. Sepals ovate-lanceolate, ca. 2 mm. Corolla ca. 1 cm, glabrous; lobes oblong, ca. 5 mm. Corona lobes flat. Anthers longer than corona, appendages ligulate. Stigma head long beaked. Follicles linear-lanceolate, ca. 12 cm × 5 mm, rusty pubescent. Fl. May, fr. Aug.

* Forests along valleys; ca. 1500 m. Guizhou, Yunnan.