Description from Flora of China
Plants glabrous throughout. Roots globose or ovoid, 0.5-2.2 × 0.5-2.5 cm. Stems erect or ± decumbent, 10-40 cm tall, simple or with 2 or 3 branches. Basal leaves rosulate; blade ovate or broadly elliptic, 0.5-7 × 0.4-5.8 cm, base cordate, margin doubly crenate, apex rounded or obtuse; petiole 1-30 mm; cauline leaves lanceolate or linear-lanceolate, 1-15 × 0.5-8 mm, base rounded or cuneate, margin sinuous-crenate or subentire, apex acute or acuminate. Flowers solitary and terminal on main stems and branches; pedicels 4-15 cm. Calyx tube obconic, 4-8 × 4-6 mm; lobes lanceolate or ovate-lanceolate, 3-8 mm, margin entire, apex acute; sinus between lobes acute. Corolla blue-purple, rotate, 5-fid to near base; lobes ovate or broadly ovate, 7-14 × 5-9 mm, apex acute or obtuse. Filaments dilated at base; anthers oblong, 2.5-3 mm. Capsule obconical below, slightly truncate-obtuse above, ca. 12 × 6 mm, persistent style acute at base. Seeds numerous, brown-yellow, elliptic, compressed, wingless. Fl. and fr. Sep-Oct.
● Grassy slopes, margins of Pinus forests; 2600-3600 m. SW Sichuan, NW Yunnan.