Neem scientific name: Melia azedarach L. is a deciduous tree of the family Melia, Neem, up to 10 meters high; bark gray-brown, widely branched, leaves are 2-3 odd-pinnate compound leaves, leaflets opposite, Leaf blade ovate, elliptic to lanceolate, terminal slightly larger. The panicle is about as long as the leaves, the flowers are fragrant; the lobes are ovate or oblong-ovate, the apex is acute, the petals are lavender, obovate spoon-shaped, both sides are puberulent, the anthers are inserted on the inside of the lobes, and alternate , Ovary subglobose, glabrous, with ovules in each chamber, slender style, stigma capitate, drupe spherical to oval, endocarp woody, seeds oval. Blooms in April-May and bears fruit in October-December.
Distributed in the provinces and regions south of the Yellow River in China, it grows in low-altitude wilderness, roadsides or sparse forests, and has been widely used for cultivation.
This species is a wood plant and a medicinal plant. Its flowers, leaves, fruits, and root bark can be used as medicine. The root bark can drive roundworms and hookworms, but it is poisonous. To treat scabies, ointment made from neem can cure tinea capitis. In addition, kernel oil can be used to make lubricating oils and soaps.
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