ragwort

rag·wort  (rgwûrt, -wôrt)

n.

Any of several plants of the very large genus Senecio in the composite family, having yellow flower heads, especially S. aureus of eastern North America. S. jacobaea, a European species poisonous to livestock, is widely naturalized in North America.

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[From the ragged shape of its leaves.]

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ragwort

Noun

a plant with ragged leaves and yellow flowers

Thesaurus

Noun	1.	ragwort - widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity benweed, ragweed, Senecio jacobaea, tansy ragwort genus Senecio, Senecio - enormous and diverse cosmopolitan genus of trees and shrubs and vines and herbs including many weeds weed - any plant that crowds out cultivated plants
	2.	ragwort - American ragwort with yellow flowers butterweed, Senecio glabellus wild flower, wildflower - wild or uncultivated flowering plant genus Senecio, Senecio - enormous and diverse cosmopolitan genus of trees and shrubs and vines and herbs including many weeds