Tangerine is a fruit of the genus Citrus in the family of Rutaceae, orange species are mainly the following:
1, milk orange
Milk orange originated in Huangyan County, Zhejiang Province, Huangyan, Rutaceae Citrus genus of broad-skinned area orange subarea Qu orange species milk orange group. Under and share a number of varieties, the current total number is very small, and only distributed in Zhejiang Huangyan part of the traditional orange area. The fruit flavor is sweet, and is the only variety of wide-skinned citrus with aroma.
2, oranges
Orange, is the fruit of the orange tree in the genus Citrus in the family Rutaceae, also known as yellow fruit, citrus, golden ring, willow. Orange is a citrus fruit, has a high edible, medicinal value. The orange originated in Southeast Asia. The orange tree is a small tree. The fruit can be peeled and eaten fresh for its pulp, which can be used as a seasoning or addition to other foods.
3, lemon
Lemon, for the dicotyledonous plant family Rutaceae citrus plants, lemons produced in China south of the Yangtze River, originating in Southeast Asia, the main places of origin for the United States, Italy, Spain and Greece.
4, grapefruit
The grapefruit is a tree in the genus Citrus of the family Rutaceae. The shoots, leaf backs, pedicels, calyx and ovary are all pilose, and the young leaves are usually dark purplish red, and the shoots are flat and angular. The leaves are rather thick, rich green in color, broadly ovate or elliptic.
5, kumquat
Kumquat, also known as kumquat, for the Brassicaceae kumquat genus of evergreen shrubs. Tree height of 3 meters or less, thick leaf texture, ovate-lanceolate or long oval, slightly pointed or obtuse at the top, the base of the wide cuneate or nearly round, planted throughout southern China, to Taiwan, Fujian, Guangdong, Guangxi planted more.
Expanded Information:
Purchase of oranges
Precautions for buying oranges
< p>1, look at the size and color. Orange head to medium for the best, too big skin thick, sweetness is poor, small and may not grow well enough, poor taste. Most of the orange peel color is from green, slowly transition to yellow, and finally orange or orange-red, so the redder the color, usually the better cooked, the sweeter the taste.
2, the smoothness of the orange. Sweet and sour moderate orange most of the smooth skin, and above the oil cell point is relatively fine.
3, test elasticity. Thin skin, thick water more oranges will have good elasticity, pinch down with your hand, feel the flesh firm but not hard, a release, can immediately spring back to its original shape.
Chinese citrus should increase the variety of structural adjustment, the development of the market requirements of the famous, special, excellent citrus, from the past quantity type to quality type change, improve the quality of fruit and fruit commerciality.
Baidu Encyclopedia - Oranges