Brasenia Schreber. Water-shield.
A monotypic genus, an aquatic herb, widely distributed in tropical and temperate regions of the Old and New World.
ID notes: The elliptic, peltate, floating leaves and mucilaginous petioles make Brasenia unmistakable.
Ref: Wiersema (1997c) In Flora of North America Editorial Committee (1997); Williamson & Schneider In Kubitzki, Rohwer, & Bittrich (1993). Show full citations.