二郎山报春 er lang shan bao chun

Primula cheniana W. P. Fang.

Herbs perennial, evergreen, with small brown membranous basal bud scales. Leaves forming a rosette; petiole 0.5--2.5 cm; leaf blade oblong-obovate to oblong-oblanceolate, 5--10 X 2--4 cm, tapering to base, subleathery, abaxially scurfy-glandular, adaxially glabrous, bullate, margin hydathode-dentate, apex rounded; reticulate veins distinctly raised abaxially. Scapes 3.5--14 cm, sparsely glandular; umbel solitary, 2--5-flowered; bracts linear-lanceolate, 3--10 mm. Pedicel 0.4--2 cm, sparsely glandular. Flowers heterostylous. Calyx campanulate, (0.7--)0.9--1.1 cm, minutely glandular, parted to middle; lobes ovate to ovate-lanceolate, ciliolate, apex acute to short acuminate. Corolla rose-purple with a yellow eye; limb ca. 3 mm wide; lobes obovate, emarginate or 2-cleft at apex. Pin flowers: corolla tube ca. 1 cm; stamens ca. 4 mm above base of corolla tube; style slightly exserted. Thrum flowers: corolla tube 1.4--1.7 cm; stamens toward apex of corolla tube; style 4--5.5 mm. Capsule shorter than calyx. Fl. Apr-May.

* At margins of mixed forests, on moist rocks; 2000--2900 m. W Sichuan (Luding Xian, Tianquan Xian)