资料来源 : Webster's Revised Unabridged Dictionary (1913)
Buck bean \Buck" bean`\ (b[=e]n`). (Bot.)
A plant ({Menyanthes trifoliata}) which grows in moist and
boggy places, having racemes of white or reddish flowers and
intensely bitter leaves, sometimes used in medicine; marsh
trefoil; -- called also {bog bean}.
资料来源 : WordNet®
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}]