Primula baileyana Kingdon-Ward

Herbs perennial, with few withered leaves at base. Leaves forming a rosette; petiole 1--8 cm; leaf blade suborbicular to reniform, 0.5--4 cm wide, abaxially copiously white farinose, adaxially densely glandular puberulous, base truncate to obscurely cordate, margin crenate to crenate-dentate, apex rounded. Scapes 3--18 cm, sparsely glandular; umbels 1--7-flowered; bracts linear, 4--12 mm. Pedicel 0.3--2 cm, white farinose. Flowers heterostylous. Calyx tubular to tubular-campanulate, 6--8.5 mm, white farinose, conspicuously 5-veined, parted to middle or below; lobes lanceolate-oblong, apex acute to obtuse. Corolla pale violet to violet; limb 1--2 cm wide; lobes broadly obovate, deeply emarginate; lobules entire to denticulate. Pin flowers: corolla tube ca. 1.1 cm; stamens at middle of tube; style ca. as long as tube. Thrum flowers: corolla tube 1.3--1.5 cm; stamens toward apex of tube; style reaching middle of tube. Capsule ovoid to oblong, ca. as long as calyx. Fl. Jun.

SE Xizang.

* In rock crevices, Rhododendron scrub in sheltered gullies; 4600--5000 m.