Family: Primulaceae Vent.
Distribution: Amphiberingian species – northeastern Asia (from Hokkaido through the Kuril Islands, Sakhalin and Magadan to Kamchatka and Chukotka), Alaska and British Columbia (south to Vancouver Island). The two subspecies are distinguished – P. c. subsp. cuneifolia occurs in Japan, southeastern Siberia, Kamtschatka, and the western Aleutian Islands, P. c. subsp. saxifragifolia occurs throughout the rest of Alaska and in Canada.
Ecology: Moist meadows and rocky slopes, along streams and rivers, at elevations from sea level to 1500 m asl. It blooms from June to August.
Description: Perennial herbs, 10–15(–30) cm tall. Basal leaves form a single rosette, petiolate, broadly cuneate, 1–6 cm long and 0.8–1 cm wide, margins coarsely dentate, apex obtuse, glabrous or glandular, efarinose. Inflorescences 1–9-flowered; involucral bracts unequal; flowers heterostylous or homostylous; calyx tubular, 4–6 mm long; corolla rose-pink, tube 4–6 mm, glandular, limb 10–25 mm diam., lobes 5–10 mm. The fruits are globose capsules.
These images were taken in Russia, Kamchatka Peninsula, Jelizovskij rajon, Mutnovsky Volcano (July 20, 2008).