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Victoria is a genus of water lilies, in the plant family Nymphaeaceae, with very large green leaves that flat on the water's surface. Victoria amazonica has a leaf that is up to 3 m (9.8 ft) in diameter, on a stalk 7–8 m (22.9-26.2 ft) in length. The genus name was given in honour of Queen Victoria of the United Kingdom.
Victoria amazonica is native to the shallow waters of the Amazon River basin, such as oxbow lakes and bayous. It is depicted in the Guyanese coat of arms. The flowers are white the first night they are open and become pink the second night. They are up to 40 cm in diameter, and are pollinated by scarab beetles.
Another species, Victoria cruziana, in the Parana-Paraguay basin, is only slightly smaller, with the underside of the leaves purple rather than the red of V. amazonica, and covered with a peachlike fuzz lacking in V. amazonica. V. cruziana opens its flowers at dusk.The leaf of Victoria is able to support quite a large weight due to the plant's structure, although the leaf itself is quite delicate: so much so that "a straw held 6 inches above and dropped perpendicularly upon it would readily pass through it". To counter the fragile nature of the leaf, the weight needs to be distributed across the surface through mechanical means, such as a sheet of plywood. This allows the leaf to support up to 70 pounds.
December 4th, 2011
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