puccoon

(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; rootstock used as a stimulant and expectorant. Synonyms: bloodroot, redroot, tetterwort, Sanguinaria canadensis.