How many kinds of oranges are there?

Orange is a kind of fruit of Citrus in Rutaceae. There are mainly the following kinds of oranges:

1, orange

Lacquer orange is native to Huangyan County, Zhejiang Province, and belongs to Lacquer Orange Group in Rutaceae orange subregion. There are several varieties, the total number of which is very small at present, which are only distributed in some traditional citrus areas in Huangyan, Zhejiang. Sweet and fruity, it is the only aromatic variety in wide-peel citrus.

2. orange

Oranges are the fruits of citrus trees in Rutaceae, also known as Guo Huang, Citrus, Jinhuan and Liu Ding. Citrus is a kind of citrus fruit with high edible and medicinal value. Oranges originated in Southeast Asia. Small trees of citrus. Fruit can be peeled and eaten fresh, and pulp can be used as an additive for seasoning or other foods.

3. Lemon

Lemon is a dicotyledonous plant belonging to Rutaceae and Citrus. Lemon is produced in the south of the Yangtze River in China, originated in Southeast Asia, and mainly produced in the United States, Italy, Spain and Greece.

4.grapefruit

Pomelo is a tree of Citrus in Rutaceae. The shoots, leaf backs, pedicels, calyx and ovary are all pilose, the leaves are usually dark purple, and the shoots are flat and angular. The leaves are thick, dark green, oval or oval.

5.kumquat

Kumquat, also known as kumquat, is an evergreen shrub of Rutaceae. The height of the tree is less than 3 meters, the leaves are thick, oval-lanceolate or rectangular, the top is slightly sharp or blunt, and the base is wide wedge-shaped or nearly round. They are all over southern China, especially in Taiwan Province, Fujian, Guangdong and Guangxi.

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Matters needing attention in purchasing oranges

1, depending on the size and color. Medium-sized oranges are the best, the skin is too thick and the sweetness is poor, and the small ones may not grow well enough and taste bad. The skin color of most oranges changes from green to yellow and finally to orange or orange-red, so the redder the color, the better the maturity and the sweeter the taste.

2. Smoothness of oranges. Most oranges with moderate sweet and sour skins are smooth and have fine oil cells.

3. Test the elasticity. Oranges with thin skin, thick flesh and plenty of water will have good elasticity. If you pinch it with your hands, you will feel that the pulp is firm but not hard. Once you let go, you will immediately bounce back to your original state.

China should increase the adjustment of citrus variety structure, develop the famous, special and excellent citrus needed by the market, change from the past quantitative type to the quality type, and improve the quality and commercialization of fruits.

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