Sanguinaria (?), n. [NL. See Sanguinary, a. & n.] 1. (Bot.) A genus of plants of the Poppy family.
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&hand_; Sanguinaria Canadensis, or bloodroot, is the only species. It has a perennial rootstock, which sends up a few roundish lobed leaves and solitary white blossoms in early spring. See Bloodroot.
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2. The rootstock of the bloodroot, used in medicine as an emetic, etc.
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