Primula atuntzuensis I. B. Balfour & Forrest; P. helvenacea I. B. Balfour & Kingdon Ward; P. petraea I. B. Balfour & Forrest.

Herbs perennial, lacking basal bud scales, petioles not overlapping. Leaves forming a rosette; petiole 1--3 X as long as leaf blade, narrowly winged and dilated to a triangular base; leaf blade spatulate to oblong-spatulate or oblanceolate, 15--30 X 5--10 mm, abaxially cream-yellow farinose, base cuneate-attenuate, margin ± regularly blunt denticulate, apex rounded, rarely acute. Scapes 3.5--7(--17) cm, ± farinose toward apex; umbels 3--8-flowered; bracts linear-subulate, 5--7(--12) mm, scarcely farinose. Pedicel 3--15(--30) mm, elongating to 4 cm in fruit, densely farinose. Flowers heterostylous. Calyx tubular, farinose inside, parted to middle or below; lobes narrowly oblong, apex acute to obtuse. Corolla lavender-rose or violet, rarely white; limb ca. 2 cm wide; lobes elliptic to obovate, margin entire, rarely crenulate. Pin flowers: calyx 6--10 mm; corolla tube 1.2--1.6 cm; stamens ca. 5 mm above base of corolla tube; style 0.9--1.1 cm. Thrum flowers: calyx 5--7 mm; corolla tube 1.4--1.8 cm; stamens 1--1.1 cm above base of corolla tube; style 3--4.5 mm. Capsule cylindric, 1--1.5(--2) cm. Fl. Jun.

* Stony meadows, cliffs, Rhododendron thickets; 4300--5000 m. SE Xizang, NW Yunnan