buckbean \buckbean\, Buck bean \Buck" bean`\(b[=e]n`). (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.
[1913 Webster + WordNet 1.5]
Source: The Collaborative International Dictionary of English v.0.48
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