别名:美国脐橙、抱子桔、无核橙、花旗蜜桔。产地:我国以四川栽培较多,其他产区有少量种植。国外主产地是美国、巴西、西班牙、南非、澳大利亚、摩洛哥和阿尔及利亚等国。性状:脐橙是甜橙类的一组品种。它的显著特征在于脐的存在,即有一个发育不全的小果实包埋在果实顶部的内面。果实无核,风味浓甜,肉质脆嫩、剥皮和分瓣比较容易,果型 Alias: the United States navel orange, spore orange, non-nuclear orange, citrus tangerine. Origin: China is more cultivated in Sichuan, other areas have a small amount of cultivation. The main origin of foreign countries is the United States, Brazil, Spain, South Africa, Australia, Morocco and Algeria and other countries. Characters: navel orange is a group of varieties of sweet orange. Its striking feature lies in the presence of the umbilicus, ie, an undergrown, small fruit embedded in the inside of the top of the fruit. Non-nuclear fruit, sweet flavor, crisp flesh, skin and split more easily, fruit type