Dischidia yunnanensis H. Léveillé, Cat. Pl. Yun-Nan 14. 1915; Adelostemma mairei Handel-Mazzetti.

Lianas to 1 m. Stems gray; branches green, uniformly puberulent. Petiole 1-2 mm; leaf blade narrowly oblong to linear-lanceolate, 2-3.5 cm × 3-7 mm, fleshy, glabrous, base rounded, margin revolute, apex rounded-apiculate to acute; lateral veins invisible abaxially, raised adaxially. Inflorescences shorter than leaves; cymules solitary, 4-6-flowered; peduncle 4-10 mm, glabrescent. Pedicel 3-5 mm, glabrous. Sepals ovate-oblong, puberulent, basal glands 5. Corolla yellow or white, urceolate, 3-3.5 mm, densely pubescent inside, otherwise glabrous; lobes oblong, ca. half as long as tube. Corona 5-toothed. Anther appendages orbicular; pollinia oblong. Stigma head conical. Follicles lanceolate in outline, ca. 9 cm × 5-6 mm. Seeds ovate; coma ca. 1.3 cm. Fl. Jun-Sep, fr. Oct.

* Montane forests; 2000-2500 m. Henan, Sichuan, Yunnan.