Spatholobus suberectus Dunn/ Caulis Spatholobi

It is the dried ratten of the suberect spatholobus stem, and is distributed in areas of East China, Southern China as well as places ofHubeiandYunnan, with the effects of invigorating blood, regulating channels and relieving pain, and relieving rigidity of muscles and activating collaterals. It is used in treating irregular menstruation, dysmenorrhea, amenorrhea, rheumatic arthralgia, numbness, paralysis and blood deficiency chlorosis.