Jian Er Guan Zhong (Caryota-like holly fern rhizome)
The drug is the dried rhizome of Cyrtomium macrophyllum (Makino) Tagawa (family Dryopteridaceae), growing under woods, along creeks, and distributed in Shaanxi, Hubei, Hunan, Sichuan, Guizhou, Yunnan of China.
The Effect of Caryota-like holly fern rhizome
Bitter, slightly cold, toxic.
Remove toxicity, activate blood and induce diuresis.
Scrofula, edema, sores and boils, traumatic injury, tuberculosis of cervical lymph nodes, metrorrhagia and metrostaxis.
Dosage and Administrations
Decoct 9~30 g, or soaked in wine. Proper dosage is for external application, decocted for washing.