Primula aurantiaca W. W. Sm. & Forrest

Herbs perennial, efarinose, glabrous. Leaves forming a rosette; petiole slightly differentiated to 1/3 as long as leaf blade; leaf blade obovate-oblong to oblanceolate, 4--15 X 1.8--5 cm, base attenuate, decurrent to petiole, margin erose-denticulate, apex rounded. Scapes 4.5--15 cm at anthesis, elongating to 30 cm in fruit; umbels 2--4(--6), superimposed, 6--12-flowered; bracts linear, 1--2.2 cm. Pedicel reddish, 3--10 mm. Flowers heterostylous. Calyx tubular-campanulate, 7--10 mm, parted slightly below middle; lobes lanceolate. Corolla deep reddish orange; limb 8--10 mm wide; lobes oblong-obovate, emarginate. Pin flowers: corolla tube 8--10 mm; stamens ca. 5.5 mm above base of corolla tube; style ca. 9 mm. Thrum flowers: corolla tube 9--14 mm; stamens ca. 1.2 cm above base of corolla tube; style ca. 5 mm. Capsule subglobose, ca. 5 mm in diam., ca. as long as calyx. Fl. May. 2n = 22.

SW Sichuan, NW Yunnan.

* Wet meadows, damp forest margins; 2500--3500 m.