Introduction to the tung tree: The tung tree is one of the important tree species that make up the mangrove forest. It is produced on the southern coast of my country. The seeds germinate before leaving the mother tree, so it is called a viviparous tree. Shrubs or small trees; leaves leathery, obovate, blunt-headed; flowers bisexual, 5-numbered, stalked, arranged in gummy or terminal umbels; sepals arranged imbricate; corolla tube short, 5 lobes; stamens 5; filaments The base is connate, inserted at the base of the corolla, and the chamber has a diaphragm, which is divided into several small chambers; the ovary is superior, oblong, with multiple ovules; the capsule is cylindrical, sharp, curved like a horn, and leathery.