Primula esquirolii Petitm.

Herbs perennial, with small membranous basal bud scales. Leaves forming a rosette; petiole nearly obsolete, rarely to 1.5 cm; leaf blade elliptic-obovate to obovate-oblanceolate, 5--13 X 1.5--5 cm, subleathery, abaxially densely short glandular pubescent along veins, adaxially bullate, sparsely glandular, base attenuate, margin sinuate-dentate to denticulate, apex rounded; veins distinctly raised. Scapes less than 1 cm at anthesis, sparsely glandular; umbel solitary, 4- to many flowered; bracts linear-lanceolate, 3--7 mm. Pedicel 1--2 cm, glandular. Flowers homostylous. Calyx campanulate, 5--7 mm, sparsely glandular, parted nearly to middle; lobes triangular-lanceolate. Corolla pale blue or rose; tube 1.5--1.6 cm; limb 1.5--2 cm wide; lobes obovate, emarginate. Stamens toward apex of corolla tube. Style 1.1--1.2 cm, reaching base of anthers. Capsule discoid, disintegrating at maturity. Fl. Mar.

* Limestone cliffs. W Guizhou (Pingba Xian)