Lythrum hyssopifolia (Grass Poly) is a species of annual herb in the family Lythraceae. They have a self-supporting growth form. They are associated with freshwater habitat. They are native to Mata Atlântica, Pampa, and Rio Grande Do Sul. They have simple, broad leaves and loculicidal capsule fruit. Individuals can grow to 0.16 m.
EOL has data for 23 attributes, including: