Primula bella Franchet subsp. bonatiana (Petitmengin) W. W. Smith & Forrest; P. bella subsp. cyclostegia (Handel-Mazzetti) W. W. Smith & Forrest; P. bella subsp. nanobella (I. B. Balfour & Forrest) W. W. Smith & Forrest; P. bonatiana Petitmengin; P. cyclostegia Handel-Mazzetti; P. nanobella I. B. Balfour & Forrest; P. stragulata I. B. Balfour & Forrest.

Herbs perennial. Leaves forming a rosette; petiole narrowly winged, nearly as long as to slightly longer than leaf blade; leaf blade obovate to suborbicular or spatulate, 3--7 X 3--5 mm, glabrous, abaxially ± yellow farinose, rarely whitish farinose or nearly efarinose, base attenuate, deeply incised into lanceolate to ovate teeth which are often recurved at apex, apex rounded. Scapes 0.7--5.5 cm, glandular pubescent, 1- or 2-(or 3)-flowered; bracts 2, opposite or occasionally alternate, lanceolate to ovate or suborbicular, 2--5 mm. Pedicel inconspicuous or to 1.5 mm, glandular puberulous. Flowers heterostylous. Calyx tubular-campanulate, 4--6 mm, sparsely glandular, parted to middle or slightly below; lobes deltoid-ovate to nearly quadrate, apex acute to acuminate, occasionally obtuse and apiculate or 3-toothed. Corolla rose, purple, or violet; tube slightly longer than to sometimes nearly 2 X as long as calyx, pubescent inside, with a projecting tuft of hairs in throat; limb 2--2.5 cm wide; lobes broadly obovate, deeply emarginate. Pin flowers: stamens near base of corolla tube; style reaching throat. Thrum flowers with positions reciprocal. Capsule ellipsoid, slightly shorter than calyx. Fl. Jul-Aug.

* Among boulders on mountain slopes; 3700--4800 m. SW Sichuan, SE Xizang, NW Yunnan.