General: Perennial herb from a long, stout, fleshy taproot and branched crown; stems erect, few to numerous, 5-50 cm tall, smooth, often reddish-tinged, strongly acrid-juiced.
Leaves: Basal leaves round to kidney-shaped, the margins slightly wavy, smooth, the blades 1-5 cm wide, the stalks 4-8 cm long; stem leaves similar, usually 1 or lacking; stipules sheathing, membranous, brownish or reddish, the sheaths loose, oblique.
Flowers: Inflorescence of whorled flowers in a dense, narrow panicle-like raceme 5-15 cm long; perianths greenish or reddish, the segments 4, 1.5-2.5 mm long; stamens 6; sepals 4.
Fruits: Achenes, lens-shaped, widely winged, 4-6 mm wide.
Moist rock outcrops, talus and scree slopes, streambanks and snowbed sites from the upper montane to alpine zones; common throughout BC, except rare on the Queen Charlotte Islands; circumpolar, N to AK, YT and NT, E to NF and S to NH, AZ, NM and CA; Iceland, Eurasia.
The table below shows the species-specific information calculated from original data (BEC database) provided by the BC Ministry of Forests and Range. (Updated August, 2013)