Primula bhutanica H. R. Fletcher.

Herbs perennial, base with many farinose overlapping bud scales. Petiole initially indistinct, nearly as long as leaf blade in fruit; leaf blade elliptic to oblong-elliptic or spatulate, tapering to base, 2--10 X 1--3 cm at anthesis, enlarging to 30 X 7 cm, scarcely glandular farinose, margin erose-denticulate, apex rounded to obtuse. Scapes 1--2 cm, elongating to 30 cm, farinose; umbels 3-many-flowered; bracts linear to linear-lanceolate, 0.8--1.5 cm. Pedicel 2--5 cm, farinose or glandular. Flowers heterostylous. Calyx campanulate, 7--10 mm, pale yellow farinose or minutely glandular, parted to middle; lobes ovate to ovate-oblong, margin dentate or occasionally entire. Corolla blue to pale bluish violet; limb 2.5--3.5 cm wide; lobes broadly obovate, apex 3-toothed to crenate. Pin flowers: corolla tube ca. 1.2 cm; stamens at middle of corolla tube; style ca. as long as tube. Thrum flowers: corolla tube ca. 1.7 cm; stamens toward apex of corolla tube; style ca. 1/2 as long as tube. Capsule shorter than calyx, disintegrating at maturity. Fl. Mar.

Coniferous forests, Rhododendron thickets; 3000--4300 m. S Xizang [Bhutan, India].