Materia Medica - Important
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Pharmaceutical Name
 Cortex Erythrinae
Botanical Name
 Erythrina variegata L. var. orientalis (L.) Merr.
Common Name
 Erythrina bark, Coralbean bark
Source of Earliest Record
 Haiyao Bencao
Part Used & Method for Pharmaceutical Preparations
 The thorny bark is gathered in the early summer, then dried in the sun.
Properties & Taste
 Bitter, pungent and neutral
Meridian
 Liver
Functions
 1. To dispel wind and dampness; 2. To clear the meridians
Indications & Combinations
 Wind-damp obstruction syndrome manifested as rheumatic joint pain, spasm of the limbs and lower back and knee pain. Erythrina bark (Haitongpi) is used with other herbs which have the similar functions, such as Tetrandra root (Fangji), Clematis root (Weilingxian) and Futokadsura stem (Haifengteng).
Dosage
 6-12 g
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