Nepenthes gracilis var. arenaria Ridl. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Caryophyllales family Nepenthaceae genus Nepenthes species Nepenthes gracilis Name Homonyms Nepenthes gracilis var. arenaria Ridl. Nepenthes gracilis var. arenaria Ridl. ex Macfarl.