Description from Flora of China
Subshrubs, 40-70 cm tall. Branches terete, strict, bark whitish; young shoots finely striate, glandular pubescent, brownish or with black points, internode long. Petiole 0.5-1.3 cm; leaf blade triangular broad ovate, 1-2.7 × 1-2.5 cm, slightly fleshy, abaxially white-gray, glabrescent, rarely glandular pubescent along vein, veins clear, base cuneate, margin entire, apex acute. Umbels axillary or terminal, (1-)4-6-flowered; peduncle strict, red-purple, 1-4 cm; pedicel strict, 0.5-1.5 cm. Perianth tube 3-5 mm, enclosing ovary, limb purple-red, funnelform, 6-10 mm, apex 5-lobed, lobes triangular. Stamens 3; filaments 1.5 cm, base broad, connate; anthers globose. Ovary fusiform. Stigma peltate. Fruit nodding after maturity, clavate, ca. 7 mm, longitudinally 10-ribbed, apex truncate, with wartlike glands on rib; carpopodium 0.5-1.5 cm. Fl. Jun, fr. Aug.
* Dry, warm river valleys, roadsides, stone crevices; 2300-3000 m. Sichuan, SE Xizang, N Yunnan.