Pentas arvensis var. violacea Hiern Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Gentianales family Rubiaceae genus Pentas species Pentas cleistostoma Name Homonyms Pentas arvensis var. violacea Hiern ex Scott Elliot Pentas arvensis var. violacea Hiern