Generally speaking, the Sophora japonica trees we often talk about include Sophora japonica, Sophora japonica, Sophora japonica, and Sophora japonica.

The basic differences between Chinese Sophora japonica and Robinia Sophora japonica are:

1. Robinia Sophora japonica has stipule thorns, while Sophora japonica does not.

2. Robinia pseudoacacia blooms in May, and Sophora japonica blooms from July to August.

1. Sophora japonica:

The Sophora japonica tree belongs to the Sophora genus of the Papilionaceae family. The Sophora japonica tree is also directly called the Sophora japonica tree. It is a deciduous tree with a round shape. Branchlets are green, with obvious lenticels, and winter bud scales are not visible. Odd-pinnate compound leaves, alternate, with 7-17 leaflets, opposite, ovate to ovate-lanceolate, with thin margins. Terminal panicle, butterfly-shaped flowers, light yellow-green. The pods are constricted between the seeds into a rosary shape. They do not crack when ripe and are fleshy. They hang on the treetops and do not fall off for a long time. The flowering period is from June to August and the fruiting period is from October.

2. Robinia pseudoacacia:

Robinia pseudoacacia is also called black locust, white locust, and German locust. It is a deciduous tree of the Papilionaceae family, up to 25 meters in height; the bark is brown with longitudinal cracks. The branches have stipules, and the pinnate compound leaves have 7-25 leaflets, alternate, oval or ovate, 2-5.5 cm long, 1-2 cm wide, with a round or slightly concave apex, a small tip, and a base. Round. The flowers are white with red markings on the calyx tube. The flowering and fruiting period is in May. Fruit matures from October to November.

3. Sophora japonica:

The general characteristics of Sophora japonica are the same as those of Sophora japonica, except that its branches and leaves are drooping.

4. Red Sophora japonica:

Purple Sophora japonica has the same general characteristics as Robinia japonica, except that the flowers are red.

5. Golden-leafed Robinia:

It is a broad-leaved deciduous tree of the genus Robiniaceae in the Papilion family, more than 25 meters high, with deep longitudinal lobes in its dry skin and odd-numbered pinnate compound leaves. There are 7-19 leaflets, oval, 2-5 cm long, entire edge, slightly concave apex with small spines. The leaves are golden yellow in spring, turn to yellow-green in summer, and turn to orange-yellow in autumn. The leaf color changes richly. , blooms in early summer, with white, fragrant flowers in pendulous racemes.

6. Robinia pseudoacacia:

It is a deciduous tree of the genus Robinia of the family Papilionaceae, up to 2-4 meters high. Its branches and pedicels are densely covered with red thorns and odd-numbered pinnate compound leaves. , 7-15 leaflets, nearly round or oblong, 2-5 cm long, raceme, with 3-7 flowers, corolla rose red or lavender, fruit 5-8 cm long, rarely developed, flowering period In July, the fruit matures from September to October.

7. Sophora japonica:

It is a deciduous tree of the genus Sophora genus in the family Butterfly family. The tree is 16 meters high. The bark is brown to gray-brown, smooth, and the leaves are alternate, 7- 11 small leaves form a pinnate compound leaf. The leaves are oval, ovate to oblong, 4-12 cm long, with a pointed apex and a slightly skewed base. The inflorescence is axillary, with red and fragrant flowers. The flowering period is May or July. The flowering period is May. It lasts 20 days, and the flowering period lasts about 40 days from July to August. It blooms continuously in spring, summer and autumn in the south. The corolla is butterfly-shaped, pink or purple-red, with a small number of small thorns. The fruit period is October.

8. Five-leaf Sophora japonica:

Also known as Butterfly Sophora japonica, it is a variant of Sophora genus in the Papilion family, with 3-5 leaflets in clusters, and the terminal leaflets are often 3 Split, the lower part of the lateral leaflets often has large lobes, and the back of the leaf is hairy.

9. Sophora japonica:

Also known as Sophora japonica, it is a deciduous tree of the Sophora genus in the butterfly family, with a spherical or obovate crown, up to 25 meters high, and golden branches. Yellow, odd-pinnate compound leaves, leaflets opposite, entire margin, inflorescence in terminal panicle, yellow-white flowers, flowering period from June to September.