Description from Flora of China
Onosma strigosum Y. L. Liu (1980), not Steven (1851).
Herbs ca. 60 cm tall. Stems several, cespitose, slender, branched from base, sparsely hispid, strigose. Leaf blade oblong-lanceolate or oblanceolate, 1-3 cm × 3-5 mm, abaxially hispid and densely short strigose, adaxially appressed hispid, base cuneate or rounded, apex obtuse. Inflorescences terminal, branched, 1-3 cm at anthesis. Pedicel slender, 2-3 mm, slightly elongated in fruit, hispid, short strigose. Calyx 2.5-3.5 mm; lobes narrowly lanceolate. Corolla tubular-campanulate, 6-8 mm, base 1-1.5 mm wide, gradually expanded upward; throat 4.5-5.5 mm wide, densely short strigose outside, scabrous inside, strigose; nectary ca. 0.5 mm, densely pubescent; lobes broadly triangular, ca. 1.5 × 2 mm, apex recurved. Filaments subulate, base extremely expanded, inserted in villous area 1.5-2 mm above base of corolla tube; anthers laterally united, 6-7 mm, almost completely exserted. Style 0.9-1.1 cm, glabrous. Nutlets dirty gray-brown, ca. 2.5 mm, densely fine papillate, tuberculate. Fl. and fr. Jul.
* Slopes, roadsides; 2300-3400 m. Sichuan.