"China Indus" is a plant belonging to the genus Indus. Its English name is Indus, and its aliases are "Tung Tree" and "Tung Horse". It is also a deciduous tree, reaching 15 meters. The trunk is straight and the bark is green and smooth. Originally from China, it is cultivated in all provinces in the north and south, and it is also a common street tree and landscaping ornamental tree. The French phoenix tree we are talking about is actually a kind of phoenix tree, but it is mistaken for phoenix tree because its leaves are like phoenix tree. Indus grows rapidly, its wood is suitable for making musical instruments, its bark can be used for making paper and rope, and its seeds can be eaten or pressed for oil. Because of its smooth trunk and beautiful leaves, it is a famous ornamental tree. China