单朵垂花报春 dan duo chui hua bao chun

Primula uniflora Klatt.

Herbs perennial. Leaves forming a rosette; petiole usually ca. as long as leaf blade; leaf blade ovate to elliptic or spatulate, 4--10 X 4--8 mm, abaxially pilose along veins, adaxially with multicellular white hairs, base truncate to cuneate, margin incised dentate, crenate or occasionally pinnately lobulate, apex obtuse to rounded. Scapes 5--9 cm, glabrous, 1- or occasionally 2-flowered; bracts oblong to subulate, 2--3 mm. Flowers sessile, heterostylous. Calyx dark red, campanulate, 6--8 mm, parted to middle; lobes oblong, apex apiculate to denticulate. Corolla pale violet; tube 8--10 mm, farinose inside; limb spreading, ca. 3 cm wide; lobes obovate-oblong, emarginate, usually with a mucro in sinus. Pin flowers: stamens ca. 3 mm above base of corolla tube; style ca. as long as tube. Thrum flowers with positions reciprocal. Capsule subglobose, nearly as long as calyx. Fl. Jun-Jul.

Alpine meadows; 4300--4700 m. S Xizang [Bhutan, NE India, Nepal, Sikkim].