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sanguinaria
The Collaborative International Dictionary
Sanguinaria

Sanguinaria \San`gui*na"ri*a\, n. [NL. See Sanguinary, a. & n.]

  1. (Bot.) A genus of plants of the Poppy family.

    Note: 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.

  2. The rootstock of the bloodroot, used in medicine as an emetic, etc.

Wiktionary
sanguinaria

n. 1 (context botany English) Any of the genus ''Sanguinaria'', or bloodroots. 2 The rootstock of the bloodroot, used in medicine as an emetic, etc.

Wikipedia
Sanguinaria

Sanguinaria canadensis (bloodroot) 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 shape and have in the past been separated out as different subspecies due to these variable shapes. Currently most taxonomic treatments include these different forms in one highly variable species. In bloodroot, the juice is red and poisonous.

Usage examples of "sanguinaria".

Sanguinaria root is chiefly used as an expectorant for chronic bronchitis and as a local application in chronic eczema, specially when secondary to varicose ulcers.

The yellow colour of Hydrastis rhizome, the appearance of a transverse section and the characteristic odour of the drug distinguish it readily from Blood Root, obtained from Sanguinaria Canadensis, which is usually of a dark reddish-brown colour, while a transverse section exhibits a more or less pronounced red colour and no evident wood bundles.