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
rootstock used as a stimulant and expectorant
- tetterwort - sanguinaria canadensis -
perennial plant of eastern North America having hairy foliage yielding a red or yellow pigment
- lithospermum caroliniense