密丛小报春 mi cong xiao bao chun

Herbs perennial, less than 3 cm tall. Leaves forming a rosette; petiole usually slightly shorter than leaf blade; leaf blade oblanceolate to narrowly obovate, 5--20 X 3--5 mm, abaxially densely farinose, adaxially sparsely glandular, base short cuneate-attenuate, margin denticulate to dentate, apex obtuse to rounded. Scapes less than 1 cm, usually indistinct, conspicuously farinose, 1--4-flowered; bracts 2 or 3, linear, 4--5 mm, farinose. Pedicel to 8 mm, farinose. Flowers heterostylous. Calyx tubular-campanulate, 5--7 mm, farinose, parted to 1/3, distinctly 5-veined; lobes ovate-triangular, apex acute or subobtuse. Corolla rose-purple, rarely white; tube ca. as long as calyx; limb 0.5--2 cm wide; lobes obovate, deeply emarginate. Pin flowers: stamens slightly below middle of corolla tube; style reaching annulus. Thrum flowers with positions reciprocal. Capsule oblong, nearly as long as calyx. Fl. Jun.

Moist and moss-covered cliffs, open grassy slopes, Rhododendron scrub; 3800--5000 m. E Xizang [N Myanmar]

Lower Taxa

• Primula rhodochroa var. geraldinae (W. W. Smith) Chen & C. M. Hu
• Primula rhodochroa var. rhodochroa