Cynanchum glaucum Wall. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Apocynaceae genus Vincetoxicum species Vincetoxicum canescens Name Homonyms Cynanchum glaucum Wall. ex Wight Cynanchum glaucum Jacq. Cynanchum glaucum Wall.