The Epimedium species have been used extensively in Traditional Chinese Medicine for their warming or "Yang" tonic effect, which shows great therapeutic properties for the kidney, enhances the immune system, and increases sperm production, thereby acting sexual enhancement. Up to date, over 60 species of Epimedium have been reported, but only five of these are recorded in the Chinese Pharmacopeia, namely, Epimedium bravicornum Maxim., Epimedium sagittatum Maxim., Epimedium koreanum Nakai, Epimedium pubescens Maxim. and Epimedium  wushanense T.S. Ying.