Tansy
Tansy, common name for a genus of about 70 north temperate species of flowering plants of the family of composite flowers . A few are native to the United States. The common tansy is an aromatic perennial herb growing to about 1 m (about 3 ft) high, with deeply divided leaves and yellow flowering heads. Native to Europe and now naturalized in North America, it is grown as a garden ornamental; it also has been used in cooking and to make a tonic. Scientific classification: Tansies make up the genus Tanacetum of the family Asteraceae (formerly Compositae). The common tansy is classified as Tanacetum vulgare.