1、 Tree difference

Maple poplar is a tall tree with a height of 30m and a trunk diameter of 1m. Its branchlets are gray or brown with grayish yellow lenticels

Sophora japonica is a tree with a height of about 25m. Its new branches are green and are not covered with fluff

2、 Leaf difference

The leaf length of maple poplar is 8-16cm, with 10-16 long oval leaflets. The length of leaflets is about 8-12cm and the width is about 2-3cm. The petiole is 2-5cm long and covered with a short layer of villi

The leaves of Sophora japonica only have 4-7 pairs of leaflets, which are oval lanceolate. Its length is about 2.5-6cm and its width is 1.5-3cm, which is smaller than the leaflets of the former