Senecio jacobaea

Common Name: 
tansy ragwort, stinking Willie
Scientific Name: 
Senecio jacobaea L.
Family Name: 
Asteraceae (Compositae) - Aster or Sunflower Family
Identification Notes
Life Cycle
introduced biennial or short-lived perennial, reproducing by seed
second year stems, upright or slightly spreading, groups of stem from crown, usually unbranched, pubescent
Stems of Tansy Ragwort
Stems of Tansy Ragwort
alternate, deeply cut lobes, pinnate, sessile, toothed, dark green above, whitish below
heads of about 13 pale yellow ray (ligulate) surrounding darker, yellow disc (tubulate) florets; terminal clusters; seed with white pappus
Flowers of Tansy Ragwort