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Hottonia palustris, also known as Water Violet or Featherfoil, is a species of aquatic plant in the family Primulaceae. It is native to parts of Europe and Asia, and is characterized by its feather-like underwater leaves and small, pale violet flowers.

Description

Hottonia palustris is a perennial plant that grows in still or slow-moving fresh water. It has a slender stem that can reach up to 60 cm in length, and its leaves are finely divided, resembling feathers. The plant produces small, pale violet flowers that are approximately 1 cm in diameter. These flowers typically bloom from May to July.

Distribution and Habitat

Hottonia palustris is found throughout parts of Europe and Asia. It prefers habitats with still or slow-moving water, such as ponds, ditches, and slow streams. The plant is often found in areas with a high concentration of calcium carbonate in the water, which is indicative of alkaline conditions.

Cultivation and Uses

In horticulture, Hottonia palustris is often used in aquariums and water gardens due to its attractive appearance and ability to oxygenate water. It is a relatively easy plant to grow, requiring a sunny position and a depth of water between 15 and 50 cm.

Conservation Status

While Hottonia palustris is not currently considered to be at risk, its habitat is threatened by pollution, drainage, and the introduction of invasive species. Conservation efforts are focused on preserving its natural habitat and preventing further degradation.