Description from Flora of China
Herbs annual or perennial, with branched stems, ca. 80 cm tall. Roots subwoody, branched. Leaves alternate, not clustered at stem base, 2- or 3-pinnately divided. Inflorescences sparsely racemose, ca. 20 cm; bractlets green, linear, 3-5 mm. Pedicel 1-5 mm. Calyx green with purple-red, campanulate, ca. 5 X 5 mm, teeth subulate, base enlarged into glands. Corolla campanulate-funnelform, ca. 4 X 2.5 cm, constricted into tubular base; lobes rounded. Stamens inserted at base of corolla tube; anthers adherent. Style pale yellow. Capsule pale green, narrowly terete, 3-6(-10) cm, ca. 5 mm in diam., apex caudate-acuminate. Seeds compressed globose, ca. 2 mm in diam., surrounded by transparent and membranous wings, apex incised.
* Slopes, fields; 500-2500(-3900) m. W Gansu, Hebei, Heilongjiang, Henan, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shandong, Shanxi, Sichuan, SE Xizang, NW Yunnan.