DICT.TW Dictionary Taiwan

 buckbean, Buck bean Bot. A perennial plant (Menyanthes trifoliata)  of Europe and America which grows in moist and boggy places, having racemes of white, reddish,  or purplish flowers and intensely bitter trifoliate leaves, sometimes used in medicine; marsh trefoil; -- called also bog bean.  It often roots at the water margin and spreads across the surface.
 Syn: -- water shamrock, bogbean, bog myrtle, marsh trefoil, Menyanthes trifoliata.
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 Menyanthes trifoliata
      n : perennial plant of Europe and America having racemes of
          white or purplish flowers and intensely bitter trifoliate
          leaves; often rooting at water margin and spreading
          across the surface [syn: water shamrock, buckbean, bogbean,
           bog myrtle, marsh trefoil]