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Syn: Villarsia platiphylla A. St.-Hil., Villarsia indica (L.) Vent., Trachysperma humboldtiana (Kunth) House, Nymphoides humboldtiana (Kunth) Kuntze, Limnanthemum indicum (L.) Thwaites, Limnanthemum humboldtianum (Kunth) Griseb., Limnanthemum esquirolii H. Lév.
Description: The Leaf diameter typically range from 1 to 4 inches (2.5 to 10 cm) and the leaf shapes are round to heart-shaped, with a smooth, glossy surface. They often have distinctive veining patterns. The flowers are relatively small, with a typical diameter of around 1 inch (2.5cm). These flowers are star-shaped and can have White, Yellow, or Orange petals depending on the species. Stem of the plants are short, usually not exceeding 12 inches (30cm) in height. Blossoming periods vary as Summer Bloomers, Year-Round Bloomers, Tropical varieties and Seasonal variations.
Substitutions: Water Lilies (Nymphae) are similar aquatic plants with floating leaves and vibrant, fragrant flowers. The similar Anubias (Anubias) also have broad, sturdy leaves that can be partially submerged. Another aquatic substitute is Hornwort (Ceratophyllum demersum) which can grow both floating and anchored. Java Fern (Microsorum pteropus) is also a aquarium plant with distinctive, broad and textured leaves. It can be grown both submerged and partially above.
Ecology: Nymphoides species are predominantly aquatic habitats, including standing water bodies like ponds, lakes and calm river sections. Some species can tolerate shallow or deep water, while others are strictly floating or partially submerged.
General distribution: Nymphoides, a genus of aquatic plants, is primarily distributed in temperate and tropical regions worldwide but generally North America, Europe, Asia, Australia, Africa are also included.
Author of text and photos: Chanduni Bootawatta.
Photographed in Matale, Sri Lanka on 17/09/2023.