|1.||a North American nymphaeaceous plant, Brasenia schreberi, with floating oval leaves and purple flowers|
|2.||any of several similar and related plants of the genus Cabomba|
(Brasenia schreberi), small purple-flowered aquatic plant of the fanwort family (Cabombaceae), found in northern ponds and still waters throughout the world, except in Europe. "Water shield" also refers to fanwort (Cabomba).
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