Distribution: Alaska to California, east to Montana, Colorado and New Mexico; also across Canada to Labrador, and the Olympics in Washington
Habitat: Moist, usually rocky ground, alpine to subalpine
Flowers: Late June - August
Conservation Status: Not of concern
Glabrous, reddish-tinged, strongly acrid-juiced perennial 1-4 dm. tall.
Mostly basal, with a petiole 4-8 cm. long, the blade kidney-shaped to heart-shaped, 1-5 cm. broad, with reddish sheathing stipules.
Flowering stems several, usually with one leaf below the inflorescence; panicle 5-15 cm. long, the flowers crowded, several per bract, with pedicles 1-3 mm. long; 4-parted perianth about 1.5 mm. long, 2 of the segments narrow and strongly keeled, the other two erect, oblong-obovate, plane.
Prominently winged, much compressed, oval, 4-6 mm broad.