小叶鹅绒藤 xiao ye e rong teng

Cynanchum yunnanense Anthony, Notes Roy. Bot. Gard. Edinburgh 15: 240. 1927, not H. Léveillé, 1915.

Stems erect, to 15(-30) cm tall, tomentulose. Leaves opposite; petiole 1-3 mm, hirsute; leaf blade triangular or cordate-oblong, 0.5-1.5 cm × 1-8 mm, glabrous except for midvein, base cordate or rarely truncate, apex subacuminate; lateral veins obscure. Inflorescences umbel-like; peduncle 1.5-2.5 cm. Pedicel 3-4 mm. Sepals lanceolate, ca. 1.5 × 0.5 mm; basal glands 5. Corolla subrotate, glabrous; tube short; lobes oblong-lanceolate, ca. 4 × 1 mm. Corona cupular, margin with 5 3-toothed lobes, inner appendages linear-triangular, as long as corolla lobes, apex unequally forked. Anthers broadly rhomboid, appendages oblong. Stigma head subumbonate, included. Follicles ovate-lanceolate, ca. 4.5 cm, glabrescent. Seeds broadly ovate, ca. 7 × 5 mm; coma ca. 5 mm. Fl. May-Jul, fr. Aug-Sep.

* Thicket edges; 1500-2500 m. Sichuan, Yunnan.