noun perennial plant of eastern North America having hairy foliage yielding a red or yellow pigment.
— synonyms: Lithospermum_caroliniense
noun perennial woodland native of North America having a red root and red sap and bearing a solitary lobed leaf and white flower in early spring and having acrid emetic properties.
— synonyms: bloodroot, redroot, tetterwort, Sanguinaria_canadensis