The difference between Sophora japonica and Robinia pseudoacacia (Robinia pseudoacacia)

The difference between Robinia pseudoacacia and Sophora japonica is as follows:

1, Robinia pseudoacacia and Sophora japonica have different flowering times at different flowering stages. Among them, the flowering period of Robinia pseudoacacia is April-May, the flowers are white iris, and the raceme is axillary, while the inflorescence of Sophora japonica is usually terminal pyramid-shaped and usually blooms in July-August every year.

2. The leaves of Sophora japonica with different leaf shapes are oval, sharp at the top and round at the base, while those of Robinia pseudoacacia are oval with round or slightly concave at the top. It is very easy to distinguish Robinia pseudoacacia from Sophora japonica from leaf shape.

3. Growth Habits Robinia pseudoacacia is a strongly positive tree species, which is not suitable for growth in a cool environment. Like dry climate, it is not resistant to water and humidity, while Sophora japonica is cold-resistant, sunny and shade-tolerant, and its roots are prone to poor growth in low-lying areas.

4. The main producing area of Sophora japonica is the north of China, and it usually grows in the North China Plain and the Loess Plateau with an altitude of 1 m.. Robinia pseudoacacia originated in North America, and now it mostly grows near the Yellow River and Huaihe River basins, and is suitable for planting in plains and hills.