油莎草(Cyperus esculemus),又名油莎豆、油莎果,属于莎草科莎草属的一种多年生草本植物。由于生产中多作为一年生作物栽培,主要利用其地下块茎,而地下块茎的形状和味道又近似于核桃,因此,还有“地下核桃”和“地下扁桃”之称。一、国内外栽培利用概况油莎草原产非洲尼罗河岸和地中海沿岸国家,人工栽培历史比较悠久。目前,世界许多地区都有分布,主要产区是西班牙、葡萄牙、意大利、印度、苏联、美国、南非和拉丁美洲各国。我国引种栽培油莎草始于五十年代未。1960年,中国科学院植物研究所从保加利亚 Cyperus esculemus, also known as taro bean, oleander, is a perennial herb belonging to the genus Cyperus. Because many produce as an annual crop cultivation, the main use of its underground tubers, underground tubers and the shape and taste similar to the walnut, therefore, there are “underground walnut” and “underground almonds,” said. First, the domestic and international cultivation and utilization of Overview Oilseed sapropher origin of Africa’s Nile and the Mediterranean coast countries, a relatively long history of artificial cultivation. At present, there are many parts of the world are distributed, the main producing areas are Spain, Portugal, Italy, India, the Soviet Union, the United States, South Africa and Latin American countries. Introduction and cultivation of oleifera in China began in the fifties. In 1960, Institute of Botany, Chinese Academy of Sciences from Bulgaria