ragwort(redirected from tansy ragwort)
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, any plant of the very large genus Senecio, widely distributed herbs and (in the tropics) shrubs or trees of the family Asteraceae (aster family). Many grow as vines.
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TOXIC Yellow daisy-like flower, whole bunch of them on one plant.
any of several plants of the genus Senecio, esp S. jacobaea of Europe, that have yellow daisy-like flowers: family Asteraceae (composites)