2. Lemon tree generally refers to lemon, also known as lemon fruit, foreign lemon, beneficial mother fruit, beneficial mother and child, etc. It is a rutaceae plant native to Southeast Asia, mainly produced in the United States, Italy, Spain and Greece.
Lemon tree is a small tree with few or no thorns on its branches. The newly grown tender leaves and flower buds are dark purple, the leaves are oval or oval paper, and the edges of the leaves have obvious blunt teeth; Its petals are lavender outside and white inside; The fruit is oval or oval with a tip. Lemon peel is thick and difficult to peel, and it is rich in lemon-scented oil spots. Lemons usually bloom in April and May every year and bear fruit in September.