Perennial herb from a large taproot; stems erect, solitary, simple (below the inflorescence), 60-120 cm tall, pimply and finely hairy.
Basal leaves widely oblong or widely egg-shaped, heart-shaped at the base, the margins often crisped, the blades 10-30 cm long, the stalks long; stem leaves alternate, several, similar to basal leaves but reduced upward.
Inflorescence of numerous flowers in a large, many-flowered panicle, 30-50 cm long; perianths greenish-brown, the segments with short, stout teeth on each margin; outer segments about 3 mm long, the ascending inner segments about 5 mm long, net-veined, the margins with 2-4 teeth and usually 1 of the 3 segments with a prominent, grain-like swelling.
Achenes, brown, smooth, shiny, about 2 mm long.
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
||Value / Class
Moisture Regime (SMR)
[0 - very xeric; 4 - mesic;
8 - hydric]
of field plots
species was recorded in:
BEC Zone Class
All BEC Zones (# of stations/zone) species was recorded in
Source: Klinkenberg 2013
Synonyms and Alternate Names:
Acetosa oblongifolia (L.) A. Löve & D. Löve
Rumex obtusifolius subsp. agrestis (Fr.) Danser
Rumex obtusifolius subsp. obtusifolius
Rumex obtusifolius subsp. sylvestris (Wallr.) Rech. f.
Rumex obtusifolius var. sylvestris (Wallr.) Koch