Aztec ArrowheadAlismataceae (Water-plantain family)Native to the wetlands of North America (United States, Canada, Mexico) and South America (Brazil, Bolivia, Ecuador, Peru, Argentina, Chile, Paraguay, Uruguay)Oahu, Hawaii, USA (Cultivated)Arrowhead, with arrow-shaped (sagittate) leaves, growing in pond with water lilies (round leaves).
Betimes known as the Upright Elephant's Ear, this species is reported from parts of Central America and from the western Amazon Basin. Photo from Eastern Ecuador.