YELLOW FLOATING HEART Nymphoides Peltata

New Invasive Plants of the Midwest Fact Sheet YELLOW FLOATING HEART Nymphoides peltata Description: Yellow floating heart is a perennial, rooted aquatic plant. It grows up to 3 feet tall along creeping rhizomes. Its roots form in short thick clusters. The plant has heart‐shaped to round leaves that float on the water surface. Leaves have an alternate arrangement on plant stems and an opposite arrangement on the flower stalk. They are 1‐4 inches wide with wavy margins and frequently have purplish undersides. Its bright yellow flowers have 5 fringed petals. They form on erect stalks, with 1‐5 flowers per stalk. The fruit is a small capsule (0.5‐1 inch long) filled with smooth, shiny, oval‐shaped seeds. Yellow floating heart spreads via seeds, plant fragments, rhizomes, and stolons. Ecological threat: Yellow floating heart invades slow‐ moving water bodies like lakes and ponds. It can grow in dense patches, displacing native aquatic vegetation. These patches can block waterways and impede recreational water use, in addition to creating stagnant, low oxygen environments. Its spread has been aided because it is a popular water garden plant. Current North American Range: Yellow floating heart is present in New England, the western coastal states, and some parts of the Midwest, including Illinois, Indiana, Missouri, and Wisconsin. Native Range: Europe, Japan, China, and India Current Midwest Distribution, including Ontario For up‐to‐date management options, see Not Known Isolated http://dnr.wi.gov/topic/Invasives/fact/YellowFloatingHeart.html Yellow floating heart is sold in the aquatic plant trade. Its sale Locally Abundant Widespread is prohibited in Indiana, Michigan, and Wisconsin. Photo credits: Left ‐ Vic Ramey, Univ. of Florida/IFAS; Inset ‐ David Cappaert, Michigan State Univ., Bugwood.org; Right ‐ Rob Andress, Dpt of Conservation & Natural Resources, Bugwood.org Early detection and rapid response can help stop the spread!.

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