perennial Eurasian herb with reddish bell-shaped flowers and shining black berries; extensively grown in United States; roots and leaves yield atropine
poisonous perennial Old World vine having violet flowers and oval coral-red berries; widespread weed in North America
The plant Atropa belladonna, a perennial shrub of the nightshade family that contains high concentrations of the alkaloid atropine which can be deadly if taken in excess.