Primula sibirica Jacquin.

Herbs perennial, efarinose. Leaves forming a rosette; petiole nearly as long as leaf blade, occasionally 1--3 X as long as leaf blade; leaf blade ovate to oblong or suborbicular, 5--25(--30) X 4--15 mm, base rounded to cuneate, margin entire to obscurely denticulate, apex obtuse. Scapes (2--)10--25 cm, glabrous; umbels 2--6(--10)-flowered; bracts oblong, 5--8 mm, glandular ciliolate, prolonged below into blunt 1--1.5 mm long auricles, apex obtuse to apiculate. Pedicel 5--22(--45) cm. Flowers heterostylous. Calyx tubular-campanulate, 5--8 mm, often brownish punctate, slightly constricted at base, parted to 1/3, 5-ribbed; lobes oblong to triangular, densely glandular ciliolate, apex acute to obtuse. Corolla pinkish purple; tube 6--10 mm; limb 1--2 cm wide; lobes obovate, deeply emarginate. Pin flowers: stamens at middle of corolla tube; style exserted. Thrum flowers: stamens toward apex of corolla tube; style slightly exceeding middle of tube. Capsule cylindric, 7--8 mm. Fl. May-Jun. 2n = 20, 22, 32, 34.

Wet meadows, marshes; 600--3800 m. Gansu, Nei Mongol, Qinghai, N Sichuan, Xinjiang [Kazakhstan, N Mongolia, Pakistan, Russia; N Europe, NW North America].