Description from Flora of China
Primula reginella I. B. Balfour.
Herbs perennial, efarinose. Leaves forming a rosette; petiole narrowly winged, 2--4 X as long as leaf blade; leaf blade oblong to elliptic or suborbicular, 4--15 X 2.5--7 mm, base rounded to broadly cuneate, margin entire, apex rounded. Scapes to 2.5 cm; umbels 1--6-flowered; bracts linear, 8--10 mm. Pedicel 1.5--3 cm, sometimes scape obsolete with a solitary flower arising from leaf rosette and pedicel to 10 cm, without bracts. Flowers heterostylous. Calyx tubular, 4--6.5 mm, parted to middle or below, distinctly 5-veined; lobes narrowly oblong to triangular, apex subobtuse. Corolla pink to rose; tube 4.5--8 mm, slightly longer than calyx; limb 1--1.5 cm wide; lobes broadly obovate, deeply emarginate. Pin flowers: stamens at middle of corolla tube; style reaching mouth. Thrum flowers with positions reciprocal. Capsule cylindric, 5--10 mm. Fl. May-Jun. 2n = 18@.
* Wet meadows, peatlands; 2900--4800 m. Gansu, Qinghai, W Sichuan, NW Yunnan