''Nymphoides peltata'' is an aquatic plant of the family Menyanthaceae native to Eurasia. It has cordate floating leaves that support a lax inflorescence of yellow flowers with fringed petal margins. The fruit is a capsule bearing many flattened seeds with stiff marginal hairs.
The plants are commonly sold for use in ornamental water gardens. Outside their native range, however, they can escape cultivation and become nuisance noxious weeds.
Flowers of ''N. peltata'' are heterostylous.. more