Date: July 2015
Place: Oslo, Norway
These broad leaves of about 3 meters in diameter floating on the surface of water on a submerged stalk belong to the plant called Victoria amazonica. It comes from the family of water lilies (Nyphaeaceae), the aquatic herbs that can be found mostly in temperate and tropical climatic conditions. Victoria amazonica specifically is a happy resident of the Amazon River basin. But the plant on the photo has actually been found by me in the Botanical Garden in Oslo, Norway, that I visited in July this year.
Besides the very large leaves, Victoria amazonica is also known for its big (up to 40 cm in diameter) flowers that change colour: the first night they are open the flowers are white, but the second night they become pink. With both of these features, the large leaves and flowers, Victoria amazonica is considered to be the biggest water lily in the world.

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