Common Name: tansy ragwort, stinking WillieScientific Name: Senecio jacobaea L.Family Name: Asteraceae (Compositae) - Aster or Sunflower FamilyIdentification NotesLife Cycleintroduced biennial or short-lived perennial, reproducing by seed Stemssecond year stems, upright or slightly spreading, groups of stem from crown, usually unbranched, pubescent Leavesalternate, deeply cut lobes, pinnate, sessile, toothed, dark green above, whitish below Flowersheads of about 13 pale yellow ray (ligulate) surrounding darker, yellow disc (tubulate) florets; terminal clusters; seed with white pappus