Tylophora yunnanensis Schltr.

Herbs erect, to 50 cm, occasionally ± twining at tip, puberulent throughout. Rootstock a dense cluster of fleshy roots. Petiole 2-3 cm; leaf blade ovate to ovate-elliptic 3-8 × 1.5-3.5(-6) cm, papery, glabrescent, base rounded to cuneate, apex obtuse and apiculate, less often acute; lateral veins ca. 4 pairs. Inflorescences axillary and terminal, longer than leaves, uppermost sometimes subtended by reduced leaves and forming long terminal panicle or thyrse; rachis simple or branched; cymules umbel-like or irregular and poorly defined, many flowered; peduncle to 6 cm. Pedicel to 1.8 cm. Sepals linear-lanceolate, ca. 1.5 mm, ciliate. Corolla rotate; lobes oblong, 3-4 × 1.5-2 mm, ciliate, glabrous outside, sparsely pilose inside. Corona lobes ovoid, pouched, obtuse. Anthers nearly square, appendages rounded; pollinia oblong, horizontal. Stigma head depressed. Follicles lanceolate in outline, 4-6 cm × ca. 7 mm. Seeds ovate, ca. 5 × 3 mm; coma ca. 2.5 cm. Fl. May-Aug, fr. Aug-Nov.

Guizhou, Sichuan, Yunnan

* Thickets, grasslands; 0-2000 m.