Description from Flora of China
Primula hsiungiana W. P. Fang; P. petrocharis Pax & K. Hoffmann.
Herbs perennial, efarinose, to 2 cm tall, with remains of leaves at base. Petiole winged, usually 2--3 mm; leaf blade oblanceolate to oblong-lanceolate, 8--15 X 2--5 mm, short glandular pubescent, appearing scabrous, base cuneate, margin entire, apex acute to obtuse. Scapes initially inconspicuous, hidden in leaves, elongating to 3 cm in fruit, 1--4-flowered; bracts ovate to lanceolate, 1.5--3 mm, minutely glandular pubescent, apex acuminate. Pedicel nearly as long as bracts. Flowers heterostylous. Calyx tubular, 3.5--5 mm, short glandular pubescent, parted to middle or above; lobes often slightly reflexed, ovate to lanceolate, apex acute to obtuse. Corolla pink or pale bluish purple; tube 5--6 mm; limb 5--8 mm wide; lobes broadly obovate, deeply emarginate. Pin flowers: stamens slightly below middle of corolla tube; style ca. 2/3 as long as tube. Thrum flowers with positions reciprocal. Capsule cylindric, slightly longer than calyx. Fl. Jun-Jul.
Steep grassy slopes, near water; 3800--5400 m. NW and W Sichuan, SE Xizang [Bhutan, NE India, Nepal].