butterweed

nouns

American ragwort with yellow flowers

any of several yellow-flowered plants of the genus Packera; often placed in genus Senecio

butterweed

is a member of

genus of American of east Asian perennial herbs with yellow to orange or red flower rays; sometimes included in genus Senecio

is a type of (narrower)

a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests