Spilanthus arboreus (J.R.Forst. & G.Forst.) G.Forst. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Asterales family Asteraceae genus Petrobium species Petrobium arboreum Name Homonyms Spilanthus arboreus (J.R.Forst. & G.Forst.) G.Forst.