Primula yüana Chen.

Herbs perennial, efarinose, with few basal bud scales at anthesis. Leaves forming a rosette; petiole 4--10 cm, narrowly winged; leaf blade ovate, 1.5--3.5 X 1--2.5 cm, base rounded to shallowly cordate, margin denticulate, apex acute. Scapes 16--29 cm; umbels 2--6-flowered; bracts linear-lanceolate, 5--7 mm. Pedicel 6--10 mm, elongating to 2 cm in fruit. Flowers heterostylous. Calyx tubular, 6--8 mm, parted to near middle; lobes lanceolate, apex acute. Corolla cream-yellow; tube 1.2--1.3 cm; lobes usually strongly reflexed, oblong, 5--7.5 X 3--4 mm. Pin flowers: stamens at middle of corolla tube; style nearly as long as tube. Thrum flowers with positions reciprocal. Capsule unknown. Fl. Jul.

* Shaded areas near rocks; ca. 4000 m. SW Sichuan (Jiulong Xian, Yajiang Xian)