Cynanchum asthmaticum Buch.-Ham. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Apocynaceae genus Leptadenia species Leptadenia reticulata Name Homonyms Cynanchum asthmaticum Buch.-Ham. ex Hook.fil. Cynanchum asthmaticum Buch.-Ham.