Catalpa bignonioides var. nana hort. Dataset GBIF Backbone Taxonomy Rank VARIETY Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Lamiales family Bignoniaceae genus Catalpa species Catalpa bignonioides Name Homonyms Catalpa bignonioides f. nana Bureau Catalpa bignonioides var. nana hort. ex Rehder, 1900 Catalpa bignonioides var. nana hort. Catalpa bignonioides f. nana (Otto & A.Dietr.) Paclt Catalpa bignonioides var. nana (Otto & A.Dietr.) Bureau