Directions : Sophora root is the root of sophora flavescens Ait., a hardy deciduous shrub native to China, Japan, Korea and Russia. The shrub can reach a height of approximately five feet, with leaves of various shaves, greenish-yellow flowers, and brown seed pods that contain small seeds. The root, which is used in herbal preparations, ranges between four and 12 inches in length and one-half to an inch in diameter, and is usually brown and curved, with small cracks or ridges on its outer surface. The roots are prepared by bundling them and cutting them cross-wise into slices, then allowing them to dry in the sun.
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