Eichhornia Kunth
Floating or creeping aquatic perennials, stoloniferous. Leaves orbicular, or oblong-or linear-lanceolate; petioles sheathing at base. Flowers showy, solitary or in spikes or panicles, with sheathing bract. Perianth funnel-shaped; tube short; lobes slightly irregular. Stamens 6, upper 3 included, lower 3 exserted. Ovary 3-locular; stigma entire or shortly 3-6-lobed; ovules many. Capsule membranous, enclosed in the faded perianth. Seeds many. Spp. 7; 6 of tropical or subtropical America, 1 of tropical Africa. Adventive sp. 1.
