Menispermum japonicum Roxb. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Ranunculales family Menispermaceae genus Stephania species Stephania rotunda Name Homonyms Menispermum japonicum Roxb. ex DC. Menispermum japonicum Thunb. Menispermum japonicum Roxb.