Gomphostemma mastersii Benth. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Lamiales family Lamiaceae genus Gomphostemma species Gomphostemma mastersii Name Homonyms Gomphostemma mastersii Benth. ex Hook.f. Gomphostemma mastersii Benth.