Costus angustifolius KerGawl. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Liliopsida order Zingiberales family Costaceae genus Hellenia species Hellenia speciosa Name Homonyms Costus angustifolius Ker Gawl. Costus angustifolius KerGawl.