Ludwigia octovalvis is a species of flowering plant in the evening primrose family known by the common name Mexican primrose-willow. Its native distribution is unclear, but can be found in Central America, Australia, South-East Asia, Tamilnadu (IND) ,the Middle East, the Central-West African regions and spreads easily to become naturalized. It is also cultivated as an aquatic plant. The plant is known for its anti-ageing properties. The species is sometimes regarded as an inv