Ammannia auriculata (Eared Redstem) is a species of annual herb in the family Lythraceae. They have a self-supporting growth form. They are native to Mato Grosso, Puerto Rico, Bahia, Pantanal, The Contiguous United States, Mato Grosso Do Sul, Mata Atlântica, Ceará, Pernambuco, and Cerrado. They have simple, broad leaves and capsule fruit. Individuals can grow to 0.65 m.
EOL has data for 22 attributes, including: