Houstonia fruticosa Raf. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Stenaria species Stenaria nigricans Name Homonyms Houstonia fruticosa Willd. ex Roem. & Schult. Houstonia fruticosa Raf. ex A.Gray Houstonia fruticosa Rose Houstonia fruticosa Willd. Houstonia fruticosa Raf.