WordNet (r) 3.0 (2006):

bocconia
    n 1: herb of China and Japan widely cultivated for its plumelike
         panicles of creamy white flowers [syn: plume poppy,
         bocconia, Macleaya cordata]
    2: small Central American tree having loose racemes of purple-
       tinted green flowers [syn: bocconia, tree celandine,
       Bocconia frutescens]