Alias: Xinhui mandarin, Jinshi, mandarin. Mu Nu, Ruijin Nu, etc. Citrus peel, also known as Chenpi, of which Xinhui Chenpi is the most famous. Citrus is the mature fruit of many kinds of citrus in the family of Rutaceae. The rind is thicker and easier to peel, and the fruit is larger than an orange and orange-yellow in color. It is a small tree with a height of 2-3 m. It has many branches and dense leaves, with very few needles and thorns. Leaves alternate, often elliptic, apex acuminate, base cuneate, leaf margin serrations inconspicuous, leaf wings small and inconspicuous. Flowers small white, sepals yellow-green, petals 5. Fruit compressed round or bun-shaped, longitudinal diameter 4.5-6cm, transverse diameter 6.5-7cm, base flat or elevated, with shallow radial grooves 4-8, apical slightly concave; pericarp easy to peel, crunchy texture, white inner layer cotton-wooly, fragrant; pith capsule 11-12-valved; center column hollow, sweet and sour taste; seeds 20-odd, ovoid, light yellow-brown. Fruit ripening period in mid-December.

2. Tangerine: Pronounced jú

Alias

Tangerine

Small evergreen trees or shrubs, usually with thorns. Leaves alternate, leathery, simple compound, petiole long, leaf blade lanceolate or elliptic, entire or undulate with inconspicuous obtuse serration, with translucent oil spots. Flowers small, yellowish white or reddish, calyx cup-shaped, 5-lobed; petals 5, oblong-elliptic; citrus fruit suborbicular or oblate, red or orange-yellow; seeds ovoid, pointed at one end, the mature fruit is called "tangerine", succulent, sweet and sour taste edible. Seeds, leaves and rind can be used as medicine.

3. Citrus is the southern fruit, it is no difference between the tree and orange, just less thorns. Citrus skin is slightly thicker than orange skin, slightly yellow color, slightly coarse texture and taste is not bitter. It is not good for preservation and is easy to rot. Citrus trees are more afraid of snow and ice than oranges, these are the differences between citrus and orange.