Part Used & Method for Pharmaceutical Preparations:
The roots are dug in autumn. After the fibrous roots and rough bark have been removed, the roots are dried in the sun, soaked in water and cut into slices.
Properties and Taste:
Bitter and slightly cold
To clear heat and cold blood To remove stagnant blood and reduce swelling
Indications and Combinations:
1. Febrile diseases in which exogenous pathogenic heat enters into the nutritive and blood levels manifested as maculopapule, vomiting with blood, epistaxis, and deep red tongue proper. *Use with Fresh rehmannia root (Shengdihuang) and Moutan bark (Mudanpi).
2. Blood stagnation manifested as dysmenorrhea, acute inflammation with red swelling and pain from external injury. *Use with Chuanxiong rhizome (Chuanxiong), Chinese angelica root (Danggui), Peach seed (Taoren) and Safflower (Honghua).
3. Boils, carbuncles and furuncles. *Use with Honeysuckle flower (Jinyinhua) and Forsythia fruit (Lianqiao).
This herb should not be combined with Black false bellebore (Lilu).