bogbean
1. [ noun ] (botany) 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
Synonyms: buckbean bog_myrtle marsh_trefoil Menyanthes_trifoliata water_shamrock
Related terms: aquatic_plant Menyanthes
Similar spelling:   box_beam