Very large branching biennial. with rhubarb-like leaves. Flowers mid summer. Height of above plant was 125 cm tall. Leaves are cordate, 40 cm long, 30 cm wide. Flowers are purple-red, 2.5 cm diameter, corymbose arrangement, appear as globes covered in a cottony web.
Habitat is disturbed soil, Boreal forest.
Introduced, a non-native. Dr. Vern Harms in the Checklist of the Vascular Plants of Saskatchewan lists the plant as uncommon.
Photos taken August 10th along a roadside crossing a creek, heavy forest, Duck Mountain provincal park, about 300 km northeast of our home in Regina, SK