Primula calyptrata X. Gong & R. C. Fang

* Evergreen broad-leaf forest, on limestone with moss; 1700-1870 m. SE Yunnan.

Name appeared after publication of the family treatment for the Flora of China.

Herbs perennial, completely efarinose, stems and both surfaces of leaf blade as well as petioles with dense articulated hairs. Rhizome elongated, ca. 2 cm, with numerous fibrous roots, producing 1 or 2 leaf-bearing stems above. Stem 2--2.5 cm before or in anthesis, purple. Leaves alternate, leaf blade suborbicular, 2.8--4 X 2.6--3.8 cm, apex rounded, base cordate, margin irregularly undulate, thickly papery when dry, grayish green above, purple below, midvein and 4 pairs of lateral veins obscure above and plane but distinct below; petiole 2.5--5.5 cm. Scape 1 or 2, 12--18 cm high, sparsely white villous, with 1 or 2 superimposed umbels with 2--5 slightly secund flowers in each; pedicels 2--4 mm, with dense articulated hairs; bracts ovate-lanceolate, 4--6 mm, prominently 1-veined, with dense articulated hairs; calyx campanulate, 5--6 mm, with dense articulated hairs, divided to 1/2--1/3 into ovate-triangular lobes, lobe with 3 distinct veins; corolla purple with a yellow eye, salverform, pubescent outside, tube ca. 1.7 cm with a hairy annulus inside, limb 1.5--1.8 cm in diam., lobes oblong-obovate, deeply emarginate; homostylous, stamens inserted in throat, anthers below annulus; style ca. 1.7 cm, subequal to corolla tube. Capsule enclosed in calyx tube, dehiscing by means of a calyptra.