Melocactus bradypus Lehm. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Cephalocereus species Cephalocereus senilis Name Homonyms Melocactus bradypus Lehm. ex Steud. Melocactus bradypus Lehm.