There are many species of P. suf fruticosa,Paeonia ostii is one
species of P. suf fruticosa. “ Geoherbs” is defined as “herbs that is
produced in specifi c geographic regions with particular ecological
environment, with particular attention to processing. The factors
lead to better quality and clinical effects of these herbs than other
regions. Hence, these herbs are widely recognized.” In traditional
Chinese medicine, the clinical use of P. ostii is the best; so, P. ostii
wa s regarded as geoherbs. Therefore, P. ostii wa s choosen as
experimental material.