[Commercial identification and resources survey on Chinese drug radix Ranunculi ternati]

Based on the collection of commercial products field investigation in distribution areas and main production places, and consultation of over 200 specimens the identification of traditional Chinese drug Maozhaocao was carried out. The results show that the present source of commercial "Maozhaocao" derives from 2 species of genus Ranunculus. The main species is Ranunculus ternatus, while R. polii is used only in a few regions. A resources survey of the drug was also conducted.