肾叶报春 shen ye bao chun

Primula tyoseniana Nakai ex Kitagawa.

Herbs perennial. Leaves forming a rosette; petiole 8--25(--30) cm, sparsely pilose; leaf blade reniform to suborbicular, 5--10(--15) X 5.5--13(--20) cm, sparsely pubescent or glabrous, or pubescent along veins only, base cordate, 7--9-lobulate, apex acutely dentate; lobules triangular. Scapes 25--50(--70) cm, sparsely pilose; umbels (1 or)2(--4), superimposed, 2--8-flowered; bracts linear-lanceolate, 4--9 mm. Pedicel 3--12 mm, elongating to 2 cm in fruit, pubescent. Flowers heterostylous. Calyx campanulate, 6--10 mm, puberulous, parted to middle or below; lobes lanceolate, apex apiculate. Corolla rose-purple; tube 1.2--1.3 cm; limb 1--1.5 cm wide; lobes obovate, deeply emarginate. Pin flowers: stamens at middle of corolla tube; style ca. 8 mm, reaching mouth of corolla tube. Thrum flowers: stamens toward apex of corolla tube; style ca. 4 mm. Capsule ellipsoid, shorter than calyx. Fl. May.

Shaded moist areas in woodlands, shaded stream banks on mountain slopes; ca. 1000 m. Liaoning, E Shandong [Korea].