Primula davidii Franch.

Herbs perennial, efarinose, with small brown membranous basal bud scales. Petiole usually indistinct or nearly obsolete; leaf blade oblong to obovate-oblong, (5--)8--18 X 1.5--4 cm, tapering to base, subleathery when dry, abaxially tawny hirsute along midvein, adaxially glabrous and bullate, margin sharply erose-dentate, apex rounded; veins prominent, subalveolate. Scapes 8--20 cm, rust-colored pilose, umbels 2--10-flowered; bracts lanceolate, 4--7 mm. Pedicel 1--1.5 cm, sparsely short hirtellous. Calyx campanulate, 9--10 mm, puberulous, parted nearly to middle, 5-veined; lobes ovate to ovate-triangular, apex acute. Corolla pale rose-purple; tube ca. 1.2 cm; limb 2--3 cm wide; lobes broadly obovate, slightly emarginate. Pin flowers: stamens ca. 3.5 mm above base of corolla tube; style ca. as long as tube. Thrum flowers unknown. Capsule unknown. Fl. Apr.

W Sichuan (Lushan Xian).

* Cliffs exposed to running water; ca. 1000 m.