''Sanguinaria canadensis'' is a perennial, herbaceous flowering plant native to eastern North America. It is the only species in the genus ''Sanguinaria'', included in the family Papaveraceae, and most closely related to ''Eomecon'' of eastern Asia.
''Sanguinaria canadensis'' is also known as bloodwort, redroot, red puccoon, and sometimes pauson. It has also been known as tetterwort, although that name is also used to refer to ''Chelidonium majus''. Plants are variable in leaf and flower.. more