Herbs annual or biennial, 15-40 cm tall. Stems erect, branched from base, densely white strigose. Leaf blade linear-oblong, 1-2.5 cm × 3-7 mm, appressed pubescent, base broadly cuneate, apex obtuse. Inflorescences terminal, to 10 cm after anthesis, widely spaced, 10-20-flowered; bracts leaflike. Pedicel 2-5 mm, with ascending or slightly recurved short hairs. Calyx lobes erect at anthesis, divaricate in fruit, ovate to ovate-lanceolate, ca. 1.5 mm, appressed pubescent. Corolla blue, campanulate-rotate; tube 1.1-1.3 mm; appendages nearly semiorbicular, slightly surpassing throat, ca. 0.2 mm, with a papillate emergence below; lobes oblong to obovate, 1.1-1.3 mm. Stamens on lower part in corolla tube; anthers ovate-orbicular. Nutlets heteromorphic, dorsiventrally compressed, ca. 2 × 1-1.2 mm excluding marginal glochids; marginal glochids confluent into wings; attachment scar at middle adaxially. Broadly winged nutlets larger, glabrous or only sparsely pubescent; narrowly winged nutlets smaller, densely hispid, marginal glochids present. Fl. and fr. Jul-Aug.

* Slopes, hillside thickets; ca. 3200 m. Qinghai (Tongren Xian), Yunnan (Zhongdian Xian).