(n)perennial with sharply toothed triangular leaves on leafy stems bearing a cluster of yellow flower heads; moist places in mountains of western North America, Syn.Senecio triangularis
(n)South African succulent evergreen twining climber with yellow flowers grown primarily as a houseplant for its foliage; sometimes placed in genus Senecio, Syn.Senecio milkanioides, Delairea odorata
(n)weedy herb of the eastern United States to Texas having golden-yellow flowers; sometimes becomes invasive; sometimes placed in genus Senecio, Syn.golden ragwort, Packera aurea, Senecio aureus
(n)plant with erect leafy stems bearing clusters of rayless yellow flower heads on bent individual stalks; moist regions of southwestern United States, Syn.Senecio bigelovii
(n)widespread European weed having yellow daisylike flowers; sometimes an obnoxious weed and toxic to cattle if consumed in quantity, Syn.Senecio jacobaea, benweed, ragweed, tansy ragwort
(n)bluish-green bushy leafy plant covered with close white wool and bearing branched clusters of yellow flower heads; southwestern United States; toxic to range livestock, Syn.Senecio doublasii
The Collaborative International Dictionary of English (GCIDE) v.0.53Collaborative International Dictionary (GCIDE)
‖n. [ L., groundsel, lit., an old man. So called in allusion to the hoary appearance of the pappus. ] (Bot.) A very large genus of composite plants including the groundsel and the golden ragwort. [ 1913 Webster ]