1、 Flowering period

The flowering period of Sophora japonica is generally in April and may every year, and the flowering period is generally about 10 to 15 days. Sophora japonica, also known as Sophora japonica, is widely planted all over China and has very good ornamental value. Whenever the flowering period comes, the white Sophora japonica will be covered with branches, and the air will be filled with a faint and elegant fragrance

2、 Morphological characteristics

Sophora japonica trees are about 8 to 20 meters tall and have grayish brown bark. Leaves alternate, 15 to 25 cm long, swollen at the base, 7 to 15 leaflets, petiole about 2 mm long, leaflets oval oblong, about 2.5 to 7.5 cm long and about 1.5 to 3 cm wide. Panicle terminal, 15 to 30 cm long, butterfly shaped corolla, milky white, and broad heart-shaped flag petal