Physostegia obovata (Elliott) R.K.Godfrey Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Lamiales family Lamiaceae genus Physostegia species Physostegia purpurea Name Homonyms Physostegia obovata (Elliott) R.K.Godfrey ex Weath. Physostegia obovata (Elliott) R.K.Godfrey