Chinese Sophora is a deciduous tree, 6-25 meters high, with dark gray dry bark, green branchlets, and obvious lenticels. The pinnate compound leaf is 15-25 cm long; the leaf shaft is hairy, and the base is enlarged; the leaflets are 9-15 pieces, ovoid-shaped and oblong, 2.5-7.5 cm long and 1.5-5 cm wide, with acuminate apex and thin apex , Broadly wedge-shaped at the base, off-white underneath, sparsely pubescent. The panicle is terminal; the calyx is bell-shaped, with 5 small teeth; the corolla is milky white, the flag petal is broad and heart-shaped, has short claws, and has purple veins. The edge of the wing petals and keel petals are slightly purple; 10 stamens, unequal length. Pods are fleshy, beaded, 2.5-20 cm long, glabrous, undivided; seeds 1-15, kidney-shaped. Flower and fruit period from June to November.
Life form: Sophora japonicus, resistant to cold, sun-loving, slightly tolerant to shade, intolerant to humidity and drought, poor growth in low-lying water, deep roots, less demanding soil, relatively tolerant to lime and mild saline-alkali land ( The salt content is about 0.15%). It can also grow normally. But it grows best on moist, fertile, deep, well-drained sandy soil. It is resistant to smoke and dust and can adapt to the urban street environment. There are not many pests and diseases. Long lifespan and strong smoke resistance. Even in mountainous areas where water is scarce, they can survive very well.
