钻齿报春 zuan chi bao chun

Primula debilis Bonati; P. speluncicola Petitmengin.

Herbs biennial, efarinose. Leaves forming a rosette; petiole 1--3 cm, narrowly winged, sparingly pilose; leaf blade ovate to oblong, 1.5--3.5 X 1--2.5 cm, sparsely pilose mainly along veins abaxially, base cordate, margin crenate-dentate with acute or subobtuse teeth and sometimes toothed again, apex rounded. Scapes slender, 3--13 cm, sparsely pilose; umbels 1 or 2, superimposed, 2--6-flowered; bracts subulate, 2--4 mm, apex acute. Pedicel glabrous, 1.5--2.5 cm. Flowers heterostylous. Calyx broadly campanulate, 3--5 mm, glabrous or nearly so, parted to ± middle; lobes triangular to ovate-lanceolate, apex sometimes slightly recurved, acute. Corolla rose to lavender with a yellow eye; tube 8--9 mm; limb 1--1.5 cm wide; lobes obovate, deeply emarginate. Pin flowers: stamens 2--2.5 mm above base of corolla tube; style nearly as long as tube. Thrum flowers: stamens 7--7.5 mm above base of corolla tube; style slightly longer than calyx. Capsule globose, included in calyx.

* On moist rocks, bamboo forests; ca. 2000 m. S Sichuan, NE Yunnan