美国扁桃,又称美国大杏仁,属蔷薇科桃属乔木,是优良的干果树种、木本油料树种和绿化水保树种。树高3～12m,树干和多年生枝树皮滑,叶淡绿色,有托叶,披针形或长椭圆形。果实圆或圆筒形,绿色有淡红色晕,成熟后果皮干燥干裂。种仁含油量50%～60%,含蛋白质25%～35%、糖2%～10%,18种氨基酸含量达24.13%,其含量高 American Almond, also known as the United States almond, is a genus of Rosaceae trees, is an excellent dried fruit species, woody oil species and afforestation species. Tree height 3 ~ 12m, trunk and perennial bark smooth, light green leaves, with stipules, lanceolate or oblong. Fruit round or cylindrical, pale pink halo, peel dry and cracked after maturity. Seed kernel oil content of 50% to 60%, containing 25% to 35% protein, sugar 2% to 10%, 18 kinds of amino acids content of 24.13%, its high content