['bɔgbi:n]
n.
[植]睡菜

[ noun ]
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
<noun.plant>

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]