水花生是苋科莲子草属多年生宿根性水湿两栖草本植物，别名空心莲子草、水蕹菜、空心苋等，原产热带，分布于我国华东、华中、华南和西南地区，苏、浙、沪、赣等地有栽培。因其药食同源，鲜脆可口，赢得巴西人的青睐，我国江浙地区居民也有采食水花生的习惯。一、水花生的生长 Peanut is a perennial Amaranthaceae perennial water wet amphibious herb, alias Alternanthera philoxeroides, water spinach, amaranth, etc., native tropical, located in East China, Central China, South China and Southwest China, Jiangsu, Zhejiang, Shanghai, Jiangxi and other places have cultivated. Because of its edible and homologous, crisp and delicious, won the favor of Brazilians, China’s Jiangsu and Zhejiang residents also have the habit of eating water peanuts. First, the growth of peanuts