WordNet (r) 3.0 (2006):

African daisy
    n 1: shrub of southwestern Mediterranean region having yellow
         daisylike flowers [syn: African daisy, yellow ageratum,
         Lonas inodora, Lonas annua]
    2: African or Asiatic herbs with daisylike flowers
    3: any of several plants of the genus Arctotis having daisylike
       flowers