The taproot of Panax notoginseng is conical or cylindrical, with a length of 1 ~ 6 cm and a diameter of 1 ~ 4 cm. The surface is grayish brown or grayish yellow, with intermittent longitudinal wrinkles and root marks. There are stem marks on the top and tumor-like processes around. It is heavy and solid, with gray-green, yellow-green or gray-white cross section and micro-wood arranged radially.

The edge of Panax notoginseng is cylindrical or conical, with a length of 2-6 cm, an upper end diameter of about 0.8 cm and a lower end diameter of about 0.3 cm. The section is irregular, shriveled, blocky or strip-shaped, and there are several obvious stem marks and ring lines on the surface. The center of the section is grayish green or white, and the edge is dark green or gray.

Extended data:

Notoginseng origin: mainly produced in Wenshan County, Wenshan County, Yanshan County, Maguan, Xichou, Guangnan, Malipo, Funing, Qiubei and other places in Yunnan Province. It is also cultivated in Tian Yang, Jingxi, Tiandong and Debao. Wenshan Prefecture in Yunnan Province has a long history, large output and good quality. Known as "Wensanqi" and "Tianqi", it is a famous authentic medicinal material. Digging, cleaning, separating taproot, lateral root and rhizome before flowering in autumn, and drying. Branches and roots are called "tendons" and rhizomes are called "cuts".

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