Trapa natans (Jesuit's Nut) is a species of perennial herb in the family Lythraceae. They have a self-supporting growth form. They are listed as vulnerable by IUCN. They are associated with freshwater habitat. They are native to Guinea-Bissau, Albania, Poland, Uganda, Pakistan, France, North America, Botswana, Japan, Czech Republic, Bulgaria, India, Namibia, Hungary, Bosnia & Herzegovina, Spain, Austria, Tanzania, Zimbabwe, Sudan, Malawi, Belarus, Algeria, Germany, Mozambique, Zambia, Tunisia, Turkey, Romania, Georgia, Ukraine, Greece, Switzerland, Vietnam, South Africa, Angola, and Italy. They have simple, broad leaves and drupe. Individuals can grow to 0.19 m.
EOL has data for 30 attributes, including: