Ludwigia octovalvis (Mexican Primrose Willow) is a species of shrub in the family Onagraceae. They have a self-supporting growth form. They are associated with freshwater habitat. They are native to Pacific Basin excluding Hawaii, Caatinga, Espirito Santo, Pernambuco, Santa Catarina, Distrito Federal, Amazônia, Ceará, Maranhao, The Contiguous United States, Piauí, Tocantins, Bahia, Pantanal, Cerrado, SãO Paulo, Hawaii, Mata Atlântica, Pará, ParaíBa, Sergipe, U.S. Virgin Islands, Rio De Janeiro, Puerto Rico, Roraima, Rio Grande Do Norte, Acre (Brazil), GoiáS, Mato Grosso Do Sul, Minas Gerais, Paraná, Mato Grosso, Alagoas, Rio Grande Do Sul, Amapá, and RondôNia. They have simple, broad leaves. Flowers are visited by Naemia seriata, Common Eastern Bumblebee, Southern Carpenter Bee, and Agraulis vanillae incarnata. Individuals can grow to 2.7 m.
EOL has data for 23 attributes, including: