Description from Flora of China
Annuals 3.5-40 cm tall. Stems ascending to erect. Basal leaves 3-5 pairs; petiole flattened, to 6 mm; leaf blade spatulate, 0.4-3 cm × 2-9 mm, base cuneate, margin scabrous, apex rounded, veins 1-3. Stem leaves 1-4 pairs, sessile, lanceolate to oblong, 0.5-5.5 cm × 2-14 mm, base and apex obtuse, margin scabrous, veins 1-3. Pedicel erect, 1.5-30 cm, elongated in fruit. Calyx 1-3.5 cm; lobes subequal; outer lobes narrowly triangular, 5-12 mm; inner lobes ovate, 4-10 mm; all lobes with margin membranous, apex acute, midvein strong and keeled. Corolla blue or yellowish white to yellow, sometimes pale yellow at base, broadly tubular, 1.6-6.5 cm; lobes broadly oblong, 1.2-1.7 cm, apex rounded, margin laciniate-fringed basally. Nectaries suborbicular, nodding. Filaments 1-1.5 cm; anthers ellipsoid, 2-3 mm. Style 3-4 mm. Capsules narrowly ellipsoid, as long as to longer than corolla; gynophore long. Seeds blackish, ellipsoid to subglobose, 0.8-1 mm in diam. Fl. and fr. Jul-Oct.
1100-4900 m. Gansu, Hebei, W Hubei, Nei Mongol, Ningxia, Qinghai, Shaanxi, Shanxi, Sichuan, Xizang, Yunnan [Bhutan, India, Nepal, Sikkim]