2. Erect perennial herbs.
There are two kinds of thistle and thistle.
4. The stems and leaves have thorns and white hairs, and purple flowers bloom in early summer.
5. Whole grass is used as medicine.
6. Young stems and leaves can be eaten or used as feed.
7. Such as Luo Pingji; Cirsium gongshanense
8. The name of Guzhou is scheduled to be in the eighteenth year of Tang Kaiyuan.
9. Governance is located in Yuyang (now Jixian County, Tianjin).
10. County name.
1 1. It is located in the north of Tianjin, adjacent to Beijing and Hebei Province.
12. Qin set up Wuji county, Sui changed to Yuyang county, Ming entered Jizhou, 19 13 changed to Jixian county.