核桃,原名胡桃、羌桃,原产于欧洲东南部和亚洲西部、南部。据古籍记载“:此果本出羌胡,汉时张骞出使西域始得种还,植之秦中,渐及东土,故名。《”西域杂记》亦记载“:上林苑有胡桃,出西域。”至今,在新疆伊犁地区仍有大面积的原生核桃林。据考证,公元319年,晋朝大将石勒占据中原 Walnuts, formerly known as walnuts, Qiang peach, native to southeastern Europe and western Asia, southern. According to the ancient records “: This fruit out of Qiang Hu, Han Zhang Qian, the beginning of the Western Regions began to be planted, planting Qin, gradually and the East, named.” “Western Regions” also records “: Shanglin Court walnut, Out of the Western Regions. ”So far, there is still a large area of ​​native walnut forests in the Ili region of Xinjiang. According to research, AD 319, the Jin Dynasty General Shiller occupy the Central Plains