Rhigozum spinosum Burch. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Lamiales family Bignoniaceae genus Rhigozum species Rhigozum brevispinosum Name Homonyms Rhigozum spinosum Burch. ex Sprague Rhigozum spinosum Burch.