1. Trees, up to 25m; The bark is grayish brown with longitudinal cracks. 1 year-old branches are light green in spring and gradually turn yellow and dark yellow in autumn. The 2-year-old tree is golden yellow with smooth bark and pinnate compound leaves as long as 25 cm. Leaf rachis is puberulent at first, and then becomes clean; The petiole is swollen at the base, wrapping the bud; Stipules vary in shape, sometimes oval, leaflike, sometimes linear or subulate, falling early; Leaves 6.0- 16 alternate, pinnately compound, oval, 2.0-5.5 cm long, smooth, light green, yellow and dark yellow.

2. Panicle, terminal, 25-28 cm long, short pedicel, bell-shaped calyx with gray fluff, yellow corolla and short petiole. Pod, string-shaped, 2.0-6.0 cm long, 8- 12 m in diameter, 2 bracteoles, shaped like stipules; Calyx is shallow bell-shaped, the contraction between seeds is not obvious, the seeds are closely arranged, the pericarp is fleshy, it does not crack after maturity, 1-6 seeds, and the seeds are ovoid. The flowering period is May-August, and the fruiting period is 8-65438+1October.

3. Distributed in China, Beijing, Liaoning, Shaanxi, Xinjiang, Shandong, Henan, Jiangsu, Anhui and other places. Sophora japonica has strong drought resistance and cold resistance, and has low requirements for soil. Poor soil can grow, and soil rich in humus can grow well. Sophora japonica is golden in color, rich and beautiful. It is an excellent variety of greening in highways, campuses, courtyards, parks, institutions and other institutions, and has high ornamental value.