Lemon trees,Citrus × limon (Linnaeus) Osbeck

Lemon trees， Citrus is a woody plant in the Rutaceae family, with few or almost no thorns on its branches, and its tender leaves and flower buds are dark purple red; Leaves are oval or elliptical in shape; The petals are light purple red on the outside and white on the inside; The fruit is oval or ovoid in shape, with a thick skin and a lemon yellow color; The flowering period is from April to May; The fruiting period is from September to November.

Lemon trees are native to southeastern and southern Asia, and are cultivated in China south of the Yangtze River. They are commonly grown in tropical and subtropical regions. It prefers warmth, not cold resistance, and does not have strict requirements for soil. However, it is best to use slightly acidic soil with deep and loose soil layers, rich organic matter, strong moisture and fertility retention, good drainage, and low groundwater level. Lemon trees are often propagated through grafting.

Lemon has strong antioxidant properties and is highly effective in delaying aging and inhibiting pigmentation. Lemon fruit contains citric acid, which is an important raw material for making lemon balm, moisturizer, and shampoo; Citric acid can also be made into lemon soda; In addition, it is also used as a cooking seasoning, which is nutritious and has therapeutic value. It is often processed into beverages, juices, cakes, jams, preserves, canned foods, and other edible products.