Tylophora rotundifolia Buch.-Ham. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Apocynaceae genus Vincetoxicum species Vincetoxicum rotundifolium Name Homonyms Tylophora rotundifolia Buch.-Ham. ex Wight Tylophora rotundifolia Buch.-Ham.