Acacia trees up to 25 meters high; bark gray-brown with longitudinal fissures. The current year's branches are green and glabrous. Leaves pinnately compound up to 25 centimeters long; leaf rachis sparsely pilose at first, then glabrescent; petiole base dilated wrapped around buds; stipules variable in shape sometimes ovate, foliage sometimes linear or subulate, caducous.

Leaflets 4-7 pairs, opposite or nearly alternate, papery, ovate-lanceolate or ovate-oblong, 2.5-6 cm long, 1.5-3 cm wide, apex acuminate, apiculate, base broadly cuneate or nearly rounded, slightly oblique, grayish-white below, at first sparsely pubescent, spinose glabrous; stipules 2, subulate.

Value of acacia

Acacia is a featured tree commonly used in gardens, with dense foliage and green shade, suitable as a shade tree, and is used as a street tree in northern China. Planted in parks, buildings around the neighborhood residential areas and lawns, is also very suitable.

The wood is rich in elasticity, water and moisture resistance. Can be used for construction, ships, sleepers, vehicles and carvings. Seed kernel contains starch, can be brewed or used as paste, fodder. Seed oil for industrial use; acacia horn of the exocarp can be extracted filling sugar and so on.

The above content reference? Baidu Encyclopedia - Sophora japonica