地黄叶报春 di huang ye bao chun

Primula blattariformis subsp. tenana (Bonati ex I. B. Balfour) W. W. Smith & Forrest; P. blattariformis Franchet var. duclouxii Bonati; P. microstachys I. B. Balfour & Forrest; P. tenana Bonati ex I. B. Balfour.

Herbs perennial. Leaves forming a rosette; petiole 0.6--6 cm, with dense long white hairs; leaf blade elliptic to obovate-elliptic, 2.5--14 X 1.5--10 cm, abaxially with white multicellular hairs along veins, adaxially pubescent to short pilose, base obtuse, subcuneate or subcordate, margin repand to crenate-lobulate with denticulate lobules, apex rounded. Scapes 10--55 cm, sparsely pilose; racemes solitary, many flowered; bracts lanceolate, 4--10 mm, enlarging to 1.5 cm in fruit. Pedicel initially 4--8 mm, elongating to 1.5 cm in fruit, densely short hirsute. Flowers heterostylous. Calyx widely campanulate, 0.8--1.5 cm, slightly enlarging in fruit, parted to middle; lobes triangular to broadly ovate, leaflike, ciliate, pubescent, margin sometimes denticulate. Corolla pale or dark lavender-rose; tube 1--1.2 cm; limb 1.5--2.5 cm wide; lobes broadly obovate, 8--10 X 6--9 mm, deeply 2-lobed. Pin flowers: stamens ca. 5 mm above base of corolla tube; style slightly exserted. Thrum flowers: stamens near apex of corolla tube; style ca. 4 mm. Capsule globose, 5--7 mm in diam., shorter than calyx. Fl. Jul.

* Thickets, at margins of mountain woodlands; 2000--3700 m. SW Sichuan, N and W Yunnan.