Small thistle (Xiaoji)
Pharmaceutical Name: Herba Cirsii segeti
Botanical Name: Cirsium segetum Bge.
Common Name: Small thistle
Source of Earliest Record: Mingyi Bielu
Part Used: The aerial parts of the plant and its rhizome are harvested in summer when the thistle is flowering. Then they are cleaned, dried in the sun and cut into pieces.
Natural Properties & Taste: Sweet and cool
Meridians: Heart and liver
1. To cool blood and stop bleeding.
2. To promote urination.
1. Hemorrhages due to extravasation of blood by heat. Small thistle (Xiaoji) is used with Imperata rhizome (Baimaogen), Cattail pollen (Puhuang) and Biota tops (Cebaiye).
2. Bloody urine, painful urination. Small thistle (Xiaoji) is used with Lotus node (Oujie), Talc (Huashi) and Clematis stem (Mutong) in the formula Xiaoji Yinzi.
Dosage: 10-15 g (30-60 g for fresh herb)