葵叶报春 kui ye bao chun

Primula atrotubata W. W. Smith & Forrest; P. barybotrys Handel-Mazzetti; P. langkongensis Forrest; P. malvacea Franchet var. alba Forrest; P. malvacea var. intermedia W. W. Smith & Forrest.

Herbs perennial. Leaves forming a rosette; petiole 1--22 cm, with dense white or fulvous multicellular hairs; leaf blade suborbicular to broadly ovate, 2.5--12 cm wide, abaxially pilose along veins, adaxially pubescent intermixed with long hairs, base cordate, margin crenate or crenate-lobulate, apex rounded; lobes irregularly denticulate. Scapes 3--40 cm, pilose. Inflorescences terminal, usually in 1--8 superimposed whorls, sometimes in pseudo-whorls or a raceme; bracts leaflike, oblanceolate to broadly ovate, 0.5--2 cm. Pedicel 0.5--3.5 cm, copiously pubescent. Flowers heterostylous. Calyx broadly campanulate, 0.8--1.5 cm, enlarging to 2 cm in fruit, pubescent, parted to 1/3--2/3; lobes green, broadly ovate to elliptic, leaflike, margin entire to dentate, with prominent midvein and lateral veins. Corolla pale to dark rose, rarely white; tube 1--1.3 cm; limb 1.5--2.5 cm wide; lobes obovate, apex 2-cleft. Pin flowers: stamens at middle of corolla tube; style ca. 2/3 as long as tube. Thrum flowers: stamens in upper 1/2 of corolla tube; style ca. 1/3 as long as tube. Capsule globose, 3--6 mm in diam., shorter than calyx. Fl. Jul.

* On calcareous rocks of open slopes, forest margins; 2300--3700 m. NW Sichuan, N Yunnan