Exacum chulasiuma Buch.-Ham. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Gentianaceae genus Exacum species Exacum tetragonum Name Homonyms Exacum chulasiuma Buch.-Ham. ex Wall. Exacum chulasiuma Buch.-Ham.