Nematanthus tetragonus Oerst. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Lamiales family Gesneriaceae genus Nematanthus species Nematanthus tetragonus Name Homonyms Nematanthus tetragonus Oerst. ex Hanst. Nematanthus tetragonus Oerst.