Common Name: nipplewortScientific Name: Lapsana communis L.Family Name: Asteraceae (Compositae) - Aster or Sunflower FamilyIdentification NotesLife Cycleintroduced annual or biennial, reproducing by seed Stemsupright, granular hairs below often smooth above in inflorescence, weakly ridged, branching above, milky juice Leavesalternate, large oval terminal lobe with up to 2 or more pairs of small side lobes, lanceolate above and unlobed, margins toothed and often wavy, sparsely hairy above and below, winged petiole Flowersheads of pale yellow ray (ligulate) florets, ray tips blunt and 5-toothed; terminal clusters, several to many, long peduncles