Cactus melocactus Vell. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Melocactus species Melocactus intortus Name Homonyms Cactus melocactus L. Cactus melocactus Vell. Cactus melocactus Vell.