Primula farreriana I. B. Balf.

Herbs perennial, with a 3--6 cm long stock formed by overlapping petioles and basal bud scales. Leaves forming a rosette; petiole winged, nearly as long as leaf blade; leaf blade elliptic to oblong-elliptic, (3--)6--10 X 2--4 cm, abaxially fugacious, white farinose, base short attenuate, margin denticulate, apex obtuse to subacuminate. Scapes 16--24 cm, farinose toward apex; umbels 3--7-flowered; bracts linear, 1--1.5 cm, usually farinose, slightly longer than pedicel. Pedicel 5--10 mm, copiously farinose. Flowers heterostylous. Calyx ± tinged with purple, tubular-campanulate, 1--1.1 cm, scarcely farinose outside, more densely so inside, parted to 2/3; lobes lanceolate to oblong-lanceolate, apex acute. Corolla pale lavender-blue; tube darker in color, ca. 1.3 cm; limb 2--2.5 cm wide; lobes broadly obovate 9--10 X 8--9 mm, emarginate. Pin flowers: stamens ca. 5.5 mm above base of corolla tube; style ca. as long as tube. Thrum flowers: stamens ca. 1.1 cm above base of corolla tube; style slightly exceeding middle of tube. Capsule cylindric, ca. 2 X as long as calyx. Fl. Jun-Jul.

E Qinghai (Datong Xian)

* In shaded rock crevices; 4000--5000 m.