Small thistle (Xiaoji)
Cirsium setosum (Willd.) MB. (Fam. Asteraceae)
Pharmaceutical Name: Herba
Cirsii Segeti
Botanical Name: Cirsium
setosum (Willd.) MB. (Fam.
Asteraceae)
Common Name: Small thistle, field
thistle herb.
Source of Earliest Record: Mingyi Bielu.
Part Used & Method for Pharmaceutical
Preparations: 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.
Properties & Taste: Sweet and cool.
Meridians: Heart and liver.
Functions: 1. To cool blood and stop
bleeding; 2. To promote urination.
Indications & Combinations:
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.
3. For sores, boils, and
carbuncles, it is used alone for an oral dose or crushed for topical
application.
Dosage: 10-15 g or 30–60 g fresh herb,
decocted in water for an oral dose. Appropriate quantity for external use.
Precautions: None noted.
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