柠檬(Citrus limon)是芸香科果树,原产意大利。我国1920年从美国引入,四川栽培较多,重庆、成都、安岳、蓬溪、江津、永川、简阳、江北、遂宁、自贡等县、市都有种植。广东、广西、福建、台湾也有少量种植。柠檬果实鲜食,也可加工柠檬汁、柠檬汽水、柠檬酱和柠檬饼等。果实开胃、健脾、解暑。果实椭圆形或倒卵形,顶部有乳突,蒂部钝圆, Citrus limon is a Rutaceae fruit tree, native to Italy. Our country was introduced from the United States in 1920 and cultivated more in Sichuan. The counties and cities in Chongqing, Chengdu, Anyue, Pengxi, Jiangjin, Yongchuan, Jianyang, Jiangbei, Suining and Zigong all planted. Guangdong, Guangxi, Fujian, Taiwan also have a small amount of cultivation. Lemon fresh fruits, but also processed lemon juice, lemon soda, lemon sauce and lemon cake. Fruit appetizers, spleen, hot weather. Fruit oval or obovate, papillae at the top, obtuse peduncles,