Cereus caerulescens var. longispinus Weing. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Cactaceae genus Pilosocereus species Pilosocereus aurisetus Name Homonyms Cereus caerulescens var. longispinus Weing.