Hugonia afzelii subsp. melanocalyx Oliv. Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Malpighiales family Linaceae genus Hugonia species Hugonia macrocarpa Name Homonyms Hugonia afzelii var. melanocalyx Oliv. Hugonia afzelii subsp. melanocalyx Oliv.