Cynanchum virescens (K.Schum.) K.Schum. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Apocynaceae genus Cynanchum species Cynanchum eurychiton Name Homonyms Cynanchum virescens (K.Schum.) K.Schum.