n. a bog plant, Menyanthes trifoliata, of the gentian family, having narrow clusters of white or pink flowers. [1570–80]
buck bean
buck bean
(bŭk' bean), The leaves of Menyanthes trifoliata (family Gentianaceae); credited with emmenagogue, antiscorbutic, and simple bitter properties. Synonym(s): bogbean, menyanthesThesaurusSeeMenyanthes