Butterweed

n.

1.

(Bot.) An annual composite plant of the Mississippi valley (Senecio lobatus).

Noun	1.	butterweed - American ragwort with yellow flowers Synonyms: Senecio glabellus, ragwort
	2.	butterweed - any of several yellow-flowered plants of the genus Packer; often placed in genus Senecio

genus Senecio, ragwort, Senecio, Senecio glabellus, wild flower, wildflower