Primula rimicola W. W. Sm.

Herbs perennial, to 3 cm tall, with remains of old leaves at base. Petiole membranously winged, shorter than to occasionally ca. as long as leaf blade; leaf blade oblanceolate to spatulate, 12--30 X 5--7 mm, abaxially copiously yellow farinose, adaxially efarinose to scarcely farinose, base attenuate, margin ± irregularly sharp denticulate, apex subrounded. Scapes very short at anthesis, elongating to 2--2.5 cm in fruit, yellow farinose, with a solitary flower; bracts 2 or 3, lanceolate to linear-lanceolate, 2--5 mm, farinose. Pedicel 2--3 mm. Flower heterostylous. Calyx cup-shaped, 6--7 mm, membranous, sparsely yellow farinose outside, densely so inside, parted below middle; lobes lanceolate, glandular ciliate, apex acute. Corolla purplish pink; tube 1.1--1.2 cm; limb ca. 1.5 cm wide; lobes broadly obovate, deeply emarginate. Pin flowers: stamens ca. 3 mm above base of corolla tube; style ca. 7 mm, slightly longer than calyx. Capsule unknown.

S Xizang (Mêdog Xian)

* In sheltered crevices of cliffs; ca. 5000 m.