Sophora tree, legume, pteridophyllaceae, acacia tree, Latin name: SophorajaponicaLinn. 15-25 meters high. Pinnately compound leaves 15-25 cm long; leaf rachis hairy, base expanded; leaflets 9-15, ovate-matrix-orbicular, 2,5-7,5 cm long, 1,5-3 cm wide, apex acuminate and finely cornucopiae, base broadly cuneate, grayish-white and sparsely pubescent below. Panicles terminal; calyx campanulate, 5-denticulate, sparsely hairy; corolla creamy white, flag petals broadly cordate, shortly clawed, with purple veins; stamens 10, unequal. Pods fleshy, bead-like, 2,5-5 cm long, glabrous, indehiscent; seeds 1-6, reniform. Can be used as a street tree, and is an excellent honey plant. Sophora japonica flower buds edible, containing aromatic oil, and for the cool astringent hemostatic medicine; Sophora japonica real can also stop bleeding, lowering blood pressure; root bark, branches and leaves medicinal, treatment of sores and poisons; seeds containing about 11% oil; wood for building. China's north and south are widely cultivated, especially in the Loess Plateau and the North China Plain is the most common; Vietnam, North Korea, Japan also have.