An oak-hickory savannah indicator species.
The flower colour is deep magenta-red.
The milky juice has been used to remove warts. (Lamb/Rhynard)
POISONOUS PARTS: All parts. Toxic only in large quantities. Syptoms include, vomiting, stupor, weakness, spasms. Toxic Principle: Cardiac glycosides and resinoids. (Poisonous Plants of N.C. State)
This plant is in the the endangered species list of COSEWIC (Committee on the Status of Endangered Wildlife in Canada)
Very rare in southwestern Ontario. (Milkweed Monarch Watch)
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