''Ludwigia repens'' is a species of flowering plant in the evening primrose family known by the common name creeping primrose-willow. It is native to parts of the Americas and it has the potential to spread easily and become

naturalized Naturalization (or naturalisation) is the legal act or process by which a non-citizen of a country may acquire citizenship or nationality of that country. It may be done automatically by a statute, i.e., without any effort on the part of the in ...

in many areas. It is known as an

aquatic weed Aquatic plant management involves the science and methodologies used to control invasive and non-invasive aquatic plant species in waterways. Methods used include spraying herbicide, biological controls, mechanical removal as well as habitat modifi ...

in some regions. It is also cultivated as an

aquarium An aquarium (plural: ''aquariums'' or ''aquaria'') is a vivarium of any size having at least one transparent side in which aquatic plants or animals are kept and displayed. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, aq ...

plant. This is a mat-forming perennial herb with a creeping stem up to 30 centimeters long, rooting at nodes which come in contact with wet substrate. The leaves are oppositely arranged and up to 4 or 5 centimeters long. The flower has four yellow colored petals no more than 3 millimeters long nested on a base of four pointed sepals which may be slightly longer.

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External links

Jepson Manual TreatmentPhoto gallery

repens ''Eprius'' is a genus of skipper butterflies in the family Hesperiidae. Species *''Eprius repens'' Evans, 1955 *''Eprius repta'' Evans, 1955 *''Eprius veleda ''Eprius'' is a genus of skipper butterflies in the family Hesperiidae. Species ...

Flora of the Southern United States Flora of the Caribbean Taxa named by Johann Reinhold Forster {{Myrtales-stub