Ixora nigricans R.Br. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Ixora species Ixora nigricans Name Homonyms Ixora nigricans R.Br. ex Wight & Arn. Ixora nigricans Zoll. ex Miq. Ixora nigricans R.Br. Ixora nigricans Zoll. Ixora nigricans R.Br. ex Wall.