(n) stout perennial herb of the eastern United States with whitish flowers; leaves traditionally used by Catawba Indians to treat burns, Syn. Parthenium integrifolium, wild quinine, prairie dock
(n) bushy aromatic European perennial herb having clusters of buttonlike white-rayed flower heads; valued traditionally for medicinal uses; sometimes placed in genus Chrysanthemum, Syn. Tanacetum parthenium, Chrysanthemum parthenium
(n) much-branched subshrub with silvery leaves and small white flowers of Texas and northern Mexico; cultivated as a source of rubber, Syn. Parthenium argentatum