Any one of several plants yielding a red pigment which is used by the North American Indians, such as the bloodroot and two species of Lithospermum, Lithospermum hirtum and Lithospermum canescens.
User Defined Definitions
"perennial plant of eastern North America having hairy foliage yielding a red or yellow pigment"
"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; rootstock used as a stim"