Primula hilaris W. W. Sm.

Herbs perennial. Basal bud scales narrowly oblong, 3--7 cm, purplish red, farinose. Leaves forming a rosette; petiole slightly longer to 2 X as long as leaf blade, broadly winged; leaf blade elliptic to sometimes suborbicular, 2--8 X 1.5--4 cm, abaxially densely cream-yellow farinose, base rounded, subcordate to short attenuate, margin crenate, apex rounded. Scapes 3--10 cm, usually shorter than leaves, farinose toward apex; umbels 3--6-flowered; bracts linear-lanceolate, 0.7--1.5 cm. Pedicel 1.5--2.5 cm, farinose. Flowers heterostylous. Calyx campanulate, 6.5--7 mm, farinose, parted to middle, 5-ribbed; lobes ovate, apex acute. Corolla pale yellow; tube ca. 1.6 cm; limb 3--4 cm wide; lobes broadly obovate to suborbicular, apex emarginate to fimbriate. Pin flowers: stamens near middle of corolla tube; style ca. 2/3 as long as tube. Thrum flowers with positions reciprocal. Capsule disintegrating at maturity. Fl. Jul.

SE Xizang

* On rocks, cliffs, steep open hillsides; 4000--5000 m.