樱草 ying cao

Primula patens Turczaninow; P. patens var. genuina Skvortzow; P. patens var. manshurica Skvortzow; P. sieboldii E. Morren f. patens (Turczaninow) Kitagawa.

Herbs perennial. Leaves forming a rosette; petiole 4--12(--18) cm, densely pilose; leaf blade ovate-oblong to oblong, 4--10 X (2--)3--7 cm, with grayish multicellular hairs, base cordate, rarely nearly rounded to truncate, margin crenate-lobulate, apex rounded; lobules crenulate-dentate. Scapes 12--25(--30) cm, pubescent; umbel solitary, 5--15-flowered; bracts linear-lanceolate, 4--10 mm. Pedicel 0.4--3 cm, sparsely pubescent or glabrescent. Flowers heterostylous. Calyx campanulate, 6--8 mm, enlarging to 1.5 cm in fruit, parted to middle or above; lobes ± spreading, lanceolate to ovate-lanceolate, pubescent or glabrous. Corolla rose to lilac-purple, rarely white; tube 0.9--1.3 cm; limb 1--2(--3) cm wide; lobes obovate, apex 2-cleft. Pin flowers: stamens slightly below middle of corolla tube; style ca. as long as tube. Thrum flowers: stamens near apex of corolla tube; style near middle of corolla tube. Capsule subglobose, ca. 1/2 as long as calyx. Fl. May, fr. Jun. 2n = 22, 24, 26, 29, 36.

Wet areas in forests. Heilongjiang, Jilin, Liaoning, E Nei Mongol [Japan, Korea, Russia].