Aeschynomeme fluitans. Hardy to zones 9 to 11. This plant is classified as a floater. Grows well as long as there’s water. Height when matured 3″ to 5″ above water surface. It has fern like leaves and blooms a yellow bell shaped flower. If you pull or touch a leaf it will close up, hence: Sensitive Plant. Good for anything that holds water. Full Sun.