Primula adenantha I. B. Balfour & Cooper; P. atricapilla I. B. Balfour & Cooper; P. hyacinthina W. W. Smith; P. menziesiana I. B. Balfour & W. W. Smith; P. micropetala I. B. Balfour & Cooper.

Herbs perennial. Leaves forming a rosette; petiole winged, 1/4--1/2 as long as leaf blade; leaf blade oblanceolate to oblong, 6--18 X 1--2.5 cm, pubescent, efarinose or white farinose abaxially, base attenuate, margin shallowly blunt dentate, apex obtuse to subrounded. Scapes 10--38(--45) cm, glabrous or nearly so, ± white farinose toward apex; inflorescence capitate or short spicate, 7--15-flowered; bracts small, green or blackish purple. Flowers reflexed, heterostylous. Calyx campanulate, 5--7 mm, white farinose or occasionally nearly efarinose, parted below middle or nearly to base; lobes oblong, glandular ciliolate, apex rounded to apiculate. Corolla mauve to pale blue-violet; tube 8--11 mm; limb 4--8 mm wide; lobes obovate, emarginate. Pin flowers: stamens 3.5--4 mm above base of corolla tube; style slightly shorter than tube. Thrum flowers: stamens ca. 8 mm above base of corolla tube; style 2--3.5 mm. Capsule ovoid, longer than calyx. Fl. Jun. 2n = 20, 40, 20 + 1--3f.

Stony slopes, among Rhododendron, Abies forests; 4200--5300 m. S Xizang [Bhutan, NE India, Nepal, Sikkim].