The Fringed Water Lily (Nymphoides peltata) is a perennial, bottom-rooted, aquatic plant with floating leaves in the Menyanthaceae family. It is also known as the Floating Heart or Marshwort.
It is native to east Asia and the Mediterranean.
It extends from submerged rhizomes up to 200 centimetres (79 inches) across the surface of the freshwater pond or lake.
Its green to yellow-green leaves are 3-15 centimetres (1-6 inches) in diameter.
The flowers are yellow with five petals that are fringed on the margins (edges). Each flower has a capsule with seeds.
Photographed in the Botanical Garden, Paris, July 2019, January 2021, and April 2021.