1. Morphological characteristics: Luan tree is a plant of the genus Luan tree in the Sapindaceae family, and is a deciduous shrub or tree. Its bark is thick and gray-brown or gray-black. The leaves are opposite or alternate, ovate in shape. When blooming, they are cymose panicles, orange-red. Flowering usually occurs between June and August. The fruit is a capsule, cone-shaped. The fruiting period is between September and October.

2. Growth habits: Luan trees like the sun very much and have slight shade tolerance. Cold-resistant, intolerant to waterlogging. Therefore, when planting, pay attention to the plot and ensure convenient drainage. It can withstand low temperatures of minus 25 degrees Celsius and is also very wind resistant. There is almost no need to worry during management. As long as the soil does not accumulate water, it can grow vigorously.

3. Distribution: Luan trees are distributed all over the world. In my country, they are mainly distributed in the northern and central provinces, among which they are more common in East and Central China. The production bases are mainly concentrated in Anhui, Jiangxi, Jiangsu, Zhejiang, Henan and other places.