Ludwigia L. – primrose-willow Species: Ludwigia peploides (Kunth) P.H. Aquatic Botany. "Ecology of creeping macrophytes with special reference to Ludwigia peploides (H.B.K) Raven". Appearance Ludwigia peploides is a perennial herbaceous plant of wetlands whose sprawling stems usually grow flat along mud or the surface of the water. Ludwigia peploides - Creeping Water Primrose, Floating Primrose-Willow, Water-primrose.Ludwigia (Primrose-willow) is a large genus with over 80 species worldwide - it is found on every continent except Antartica. Used with permission. Species Overview. Illustration courtesy of University of Florida/IFAS Center for Aquatic and Invasive Plants. Nonnative to Florida FISC Category 1 Invasive. "Sexual reproduction of two alien invasive Ludwigia (Onagraceae) on the middle Loire River, France". Raven ssp. ... Data Team, Greensboro, NC 27401-4901 USA. Ludwigia peploides is morphologically similar to another noxious water-primrose in Washington State, L. hexapetala. It is native to parts of Australia, New Zealand, North America, and South America. They can only be differentiated when flowering: L. peploides flowering stems typically grow prostrate and the petals are usually 1-1.5 cm and the anthers are 1-1.7 mm whereas L. hexapetala flowering stems grow erect and its petals It is native to many parts of the Americas, but it can be found on many continents and spreads easily to become naturalized. Water primrose is a species of flowering plant in the evening primrose family known by the common names floating primrose-willow and creeping water primrose. They are native to tropical … Creeping Water Primrose (Ludwigia peploides glabrescens) can spread aggressively in shallow wetlands and muddy areas. Habitat Aquatic Botany. Raven – floating primrose-willow A non-native invasive plant.Originally introduced as an ornamental and water garden plant. More on invasiveness: L. peploides is an amphibious plant living in ponds, lakes, ditches, channels and slow-running rivers as well as in humid meadows.It shows a high tolerance to different water levels. Rejmankova, E. 1992. Ludwigia glandulosa. 43(3): 143-148. Ludwigia peruviana. It is potentially invasive. Ludwigia linearis. What is Water Primrose? Floating primrose-willow, Ludwigia peploides, a Class A noxious weed in Washington, looks very similar, and they can be very difficult to tell apart - even for experts. Peruvian primrose-willow. Ludwigia alternifolia. 90(2): 143-148. Foliage Leaves are alternately arranged and vary in shape and size, from lanceolate to ovate. Its growth is favoured by water eutrophication but the plant is able to develop in oligotrophic environments. Physical Characteristics Leaves: ... Ludwigia peploides. Ludwigia peruviana is commly found growing in swamps, lakes and pond margins nearly throughout Florida. USDA, NRCS. It is difficult to distinguish between the non-native species of Ludwigia and they are often incorrectly labelled so it may be necessary to seek expert advice. 2018. Raven ... Non-Native Invasive Plants of the City of Alexandria, Virginia . It is potentially invasive. glabrescens (Kuntze) P.H. The water primrose bears bright yellow flowers but can cause havoc if released in the wild. Raven – floating primrose-willow Subspecies: Ludwigia peploides (Kunth) P.H. Ludwigia spp. Ludwigia peploides ssp. glabrescens (Kuntze) P.H. If you need help with plant identification, please contact your county noxious weed coordinator. Invasive plant.Originally introduced as an ornamental and water garden plant is favoured by water eutrophication but the plant is to... Primrose-Willow Subspecies: Ludwigia peploides ( Kunth ) P.H you need help with plant identification, contact... 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