The common name of menyanthes trifoliata, bogbean, refers to the leaves, which resemble those of broad beans, especially when young. Menyanthes is a monotypic genus.
Main flower color:
Scattered across most of the UK, though only locally common. Least widespread in eastern England
Up to 15 cm
Pond margins, bogs, fens, marshes
On terminal clusters atop leafless stalks. Buds are reddish pink, opening to star-shaped, five-lobed flowers, pale pink underneath, otherwise white. The inner surfaces are fringed with thick white hairs. At the centre are five short stamens around a longer, greenish-yellow pistil, topped with a lobed stigma
Alternate, trifoliate; three ovate, yellowish-green leaflets up to 7 inches long, with branched, pinnate veins, on creeping stems, often submerged
March to June