Spade-leaf Sword Plant

Echinodorus cordifolius (L. ) Griseb. (Alismataceae) is an aquatic plant with long thin leaf-stalks and spade-shaped leaf blades. Leaves are emersed, submersed leaves mostly absent; blade with translucent markings distinct lines, ovate to elliptic, base truncate to cordate. Flowers are white, 3-petalled, and grow in distant whorls on a rigid long stem. It is found in marshes, swamps, ditches and ponds. It is native to Mexico, the West Indies, Central America, South America, and southeastern United States.