“三楞果”又名铁荸荠,系多年生湿生性,生长力顽强,严重危害水稻的三稜草的地下球茎,属莎草科。蔓生于长江西岸圩区,鄂皖苏的沼泽洼地以及东北黑龙江等省的荒原。安徽省无为县的农民有这样传说:“野荸荠和三楞果对话,各逞其能,野荸荠说,我一夜能生七代; ”Trilobal“, also known as iron water chestnuts, Department of perennial wet, vigorous growth, severely endangered rice, Tripeacea underground bulbous, is a sedge Branch. Born in the western bank of the Yangtze River polders, swamp depression in Jiangsu and Anhui provinces and the northeast Heilongjiang provinces wasteland. Wuwei County, Anhui Province, farmers have such a legend: ”wild water chestnuts and the three flute dialogue, each succeeds, Wild Water Chestnut said that I can have seven generations a night;