Perakanthus velutinus (Ridl.) Robyns Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Perakanthus species Perakanthus velutinus Name Homonyms Perakanthus velutinus (Ridl.) Robyns ex Ridl. Perakanthus velutinus (Ridl.) Robyns