How to distinguish a male orange from a female orange:

1. There is a slightly concave circle in the middle of the front of the female orange, and then an umbilical cord bulges out inside the circle.

2. There is no navel in the middle of the orange peel. The navel is flat and has no bulge, just a dark dot.

To sum up, male and female oranges are actually the "tail" shape of oranges. The bottom of the orange is obviously concave; Those that are not obvious and black dots are male.

Oranges are divided into male and female. Generally, the female is sweeter and the male is sour.

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Extended data: < p Li Shizhen recorded in "Compendium of Materia Medica and Fruit Department": "The orange is small, its petals taste slightly vinegar (that is, acid), its skin is thin and red, and its taste is bitter and bitter; Citrus is bigger than orange, its petals are fragrant, its skin is slightly thick and yellow, and its leaves are sweet and sweet. "

Generally speaking, oranges are round in shape, yellow and red in color, thin in skin and not easy to peel, juicy and sweet. The orange is oblate, red or yellow in shape, thin, smooth and easy to peel, and slightly sour in taste. Although there are differences between oranges and tangerines, they are often mixed in daily language, such as Cantonese oranges and tangerines.

Vitamin A in oranges can also enhance human vision in dark environment and treat night blindness. Oranges should not be eaten too much. If you eat too much, you will suffer from carotene, and your skin will be dark yellow, just like jaundice. If the palm turns yellow due to eating too many oranges, as long as you stop eating for a while, your skin color will gradually return to normal.