饰岩报春 shi yan bao chun

Herbs perennial, pilose or glabrous. Rhizomes producing 1 or 2 leaf rosettes. Leaves forming a rosette; petiole 1--2.5(--6) cm, narrowly winged, yellow farinose near base; leaf blade oblong, 1.5--3(--6) X 1--2(--4.5) cm, abaxially cream-white farinose, especially along midvein, base shallowly cordate, margin irregularly crenate-dentate to lobulate; lobes hydathode-denticulate, apex rounded. Scapes 2--8 cm; umbels 1 or 2, superimposed, 2--10-flowered; bracts linear to lanceolate, 3--6 mm. Pedicel divaricate after anthesis, 2--4 cm. Flowers heterostylous. Calyx campanulate, 3.5--6 mm, parted to middle; lobes densely pubescent, triangular to narrowly triangular, apex acute. Corolla rose-purple; limb 1.5--2 cm wide; lobes obovate, ca. 4.8 X 5.2 mm, 2-cleft at apex. Pin flowers: corolla tube 6--7 mm; stamens inserted ca. 2 mm above base; style nearly as long as corolla tube. Thrum flowers: corolla tube ca. 1 cm; stamens at middle; style ca. 2 mm. Capsule unknown.

On moist rocks; ca. 2200 m. Yunnan (Jingdong Xian).

Lower Taxa

• Primula petrocallis var. glabrata C. M. Hu
• Primula petrocallis var. petrocallis