(n) weedy herb of the eastern United States to Texas having golden-yellow flowers; sometimes becomes invasive; sometimes placed in genus Senecio, Syn. golden ragwort, Packera aurea, Senecio aureus
prop. n. A genus of American or East Asian perennial herbs with yellow to orange or red flower rays; it is sometimes included in genus Senecio. Syn. -- genus Packera. [ WordNet 1.5 ]