Any of the Haemodoraceae, a family of flowering plants some of whose roots contain a red dye.
Rumex sanguineus, bloody dock, wood dock, bloody-veined dock.
Sanguinary, common yarrow, Achillea millefolium.
Capsella bursa-pastoris, shepherd's purse.
The plant bloodroot, Sanguinaria canadensis.
Various species in the genus Sanguisorba, burnet.
A herb named for its characteristic red or purple veins, used in moderate amounts in salads and as ornamental vegetable, Rumex sanguineus.