Alias ghost head poplar, ladle willow, willow, water willow, chicken tree, maple willow, centipede willow, flat willow, swallow tree, ingot tree and wonton tree. It belongs to Juglandaceae and Pterocarya. Morphological deciduous tree, up to 30 meters high, dry skin grayish brown, smooth when young, longitudinally split when old. Stipules bare buds, densely covered with rust hairs. Branchlets are gray with obvious lenticels and septa. Even pinnate compound leaves alternate, sparse to odd, small leaves opposite, leaf axis winged; Flowers unisexual, monoecious, catkin; Male flowers usually have a perianth; Nuts have two wings. The origin distribution is China native tree species. It has been cultivated and utilized for hundreds of years, and now it is widely distributed in North China and South China, especially on the banks of rivers and streams. Ecological habits like light tree species, not tolerant of shade, but resistant to water, humidity, cold and drought. The roots are deep, the main roots and lateral roots are developed, and the deep and fertile riverbed grows well on both sides. Fast growth, strong tillering ability and strong resistance to sulfur dioxide and chlorine. The leaves are poisonous and are not suitable for planting near fish ponds. Garden use, widely distributed crown, dense branches and leaves, rapid growth and developed root system. It is a good greening tree species for low-lying wetlands on both sides of the river bed, which can be used as street trees, patches or isolated on lawns and slopes, and can form a certain landscape. Breeding is mainly based on sowing. The germination rate is high in autumn, and the seedlings are easy to branch. Therefore, they should be pruned in time to keep a good dry shape and should be planted in spring. Overwintering branches are vulnerable to freezing injury and the survival rate is low. The bark and branches of Pterocarya stenoptera contain a lot of fiber, which is a good raw material for papermaking and rayon. Bark and root bark can be used as medicine; Leaves can extract pesticides.