Ugly orange is not so-called genetically modified. It is actually a hybrid. This kind of fruit is bred by crossing. It is made by crossing Qingjian and Ponkan. It first appeared in 2000 in China and was planted in Sichuan Province at the beginning.
Ugly orange is a fruit in spring. Its ripening time is from February to march in early spring. However, due to different climate, the ripening time will be delayed or advanced. In some areas, it ripens around January. It is colored in December or so, the peel will gradually turn yellow orange, until the next year's February - March or so just mature, eating the best taste.
When buying ugly oranges, you should try to choose the ones with uneven skin. Although they don't look beautiful, they taste better. If its skin is very neat and mellow, most of them are fake ugly oranges. Before you buy it, you can peel it. If the bottom of the orange is thin and it is also very good to peel, you can buy it