Definitions for "Senecio"
A very large genus of composite plants including the groundsel and the golden ragwort.
enormous and diverse cosmopolitan genus of trees and shrubs and vines and herbs including many weeds
Senecio (syn. Jacobaea L.) is a genus of the daisy family (Family Asteraceae) includes ragworts and groundsels. The flower heads are normally rayed, completely yellow, and the heads are borne in branched clusters.