Found 2 items, similar to butterweed.
English → English (WordNet) Definition: butterweed butterweed n 1: American ragwort with yellow flowers [syn: ragwort, Senecio glabellus ] 2: any of several yellow-flowered plants of the genus Packer; often placed in genus Senecio
English → English (gcide) Definition: Butterweed Butterweed \But"ter*weed`\, n. (Bot.) An annual composite plant of the Mississippi valley (Senecio lobatus ). [1913 Webster]