Cynanchum mensense Schweinf. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Apocynaceae genus Cynanchum species Cynanchum altiscandens Name Homonyms Cynanchum mensense Schweinf. ex K.Schum. Cynanchum mensense Schweinf.