核桃学名:Juglans L 别名:达嘎(藏语名),胡桃、羌桃来源分布:原产东南欧和西亚,大约在汉朝张骞通西域时传入我国,栽培历史已有两千多年。核桃在西藏林芝的历史也很悠久,分布较广,从海拔2000米至3,300米的各公社均有另星植株成片核桃林。形态特征:核桃属于胡桃科核桃的一个种。落叶乔木,高30余米,树冠广园形,树 Walnut Scientific name: Juglans L Alias: Daga (Tibetan name), walnuts, Qiang peach Origin: South East Europe and West Asia origin, about the Han Dynasty Zhang Qian pass the Western Regions into China, cultivation history of more than two thousand years. Walnut Nyingchi in Tibet’s history is also very long, widely distributed, from 2,000 meters to 3,300 meters above sea level, each commune has another star plant into a film walnut forest. Morphological characteristics: walnut belongs to a species of Walnut walnuts. Deciduous trees, more than 30 meters high crown wide park, trees