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Luronium natans is a species of aquatic plant commonly known as the floating water-plantain. It is the only recognized species in the genus Luronium , native to western and central Europe, from Spain to Britain to Norway east to Ukraine.
Pistia is a genus of aquatic plants in the arum family, Araceae.It is the sole genus in the tribe Pistieae which reflects its systematic isolation within the family. [5] The single species it comprises, Pistia stratiotes, is often called water cabbage, water lettuce, Nile cabbage, or shellflower.
Aquatic plants require special adaptations for prolonged inundation in water, and for floating at the water surface. The most common adaptation is the presence of lightweight internal packing cells, aerenchyma , but floating leaves and finely dissected leaves are also common.
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Salvinia natans has two nickel-sized leaves lying flat against the surface of the water, and a third submerged leaf which functions as a root. Flotation is made possible by pouches of air within the leaves. Cuticular papillae on the leaves' surface keep water from interfering with the leaves' functioning, and serve to protect them from decay ...
Nymphoides peltata (syn. Villarsia nymphaeoides, Limnanthemum peltatum S.G. Gmel., Nymphoides nymphaeoides (L.) Britton, fringed water lily, yellow floating heart, floating heart, water fringe, entire marshwort) is perennial, rooted aquatic plant with floating leaves of the family Menyanthaceae.
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The leaves grow in joined sets of three, with two leaves floating on the surface and one leaf dissected, hanging underneath. [4] This species is rootless but the dissected leaves that hang down act as root-like structures and are longer than the floating leaves. [4] Fine white hairs grow uniformly on the leaf surface and serve to repel water.