jimson weed(redirected from jimpson weed)
Also found in: Dictionary, Thesaurus, Encyclopedia.
a species that is the main source of stramonium.
jimson weed/jim·son weed/ (jim´son wēd) stramonium.
a common name for Datura stramonium, a poisonous plant with large trumpet-shaped flowers. It is a member of solanaceous plants and a natural source of cholinergic blockers. Its chief components are the anticholinergics hyoscyamine and scopolamine.