Erythrina bark (Haitongpi)
Pharmaceutical Name: Coxtex Erythrinae
Botanical Name: Erythrina variegata L. var. orientalis (L.) Merr.
Common Name: Erythrina bark, Coralbean bark
Source of Earliest Record: Haiyao Bencao
Part Used: The thorny bark is gathered in the early summer, then dried in the sun.
Natural Properties & Taste: Bitter, pungent and neutral
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