water shamrock

2 definitions found

water shamrock - Collaborative International Dictionary of English v.0.48 :

  bogbean \bogbean\ n.
     a perennial plant of Europe and America (Menyanthes trifoliata
     ) having racemes of white or purplish flowers and
     intensely bitter trifoliate leaves; often rooting at the
     water margin and spreading across the surface; -- called also
     bog myrtle, water shamrock and marsh trefoil.
  
     Syn: water shamrock, buckbean, bog myrtle, marsh trefoil.
          [WordNet 1.5]

water shamrock - WordNet (r) 2.1 (2005) :

  water shamrock
      n 1: 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, Menyanthes trifoliata]