Shang du gan Cao

Glycyrrhrizae Radix in Shangdu is cylindrical, with a length of 25 ~ 100 cm and a diameter of 0.6 ~ 3.5 cm. The surface is reddish brown or grayish brown, with obvious longitudinal wrinkles, furrows, lenticels and sparse fine root marks. Solid quality, slightly fibrous section, yellowish white, silty, obvious cambium ring, radial rays, and some cracks. There are bud marks on the surface of the rhizome and pith in the middle of the section. Slight breath, with specific licorice sweetness. Glycyrrhiza inflata: the roots and rhizomes are thick and woody, some are branched, and the skin is rough, grayish brown or grayish brown. Hard, with many wood fibers and small powder. The adventitious buds of rhizomes are numerous and thick. Glycyrrhiza glabra: The roots and rhizomes are solid in texture, some are branched, the skin is not rough, grayish brown, and the lenticels are fine but not obvious.
Reprinted with attribution： https://cnlocality.com/(Chinese Specialty Products)