Nicotiana dubia Jacquem. Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Plantae phylum Tracheophyta class Magnoliopsida order Solanales family Solanaceae genus Physochlaina species Physochlaina praealta Name Homonyms Nicotiana dubia Jacquem. Nicotiana dubia Jacquem. ex Decne.