The
taxonomic genus of
plants commonly called
Tobacco. It has 67 species.
Superkingdom Eukaryota
Kingdom Plantae
Division Magnoliophyta (formerly Phylum Tracheophyta)
Class Magnoliopsida (formerly Class Angiospermae)
Subclass Asteridae (formerly Subclass Dicotyledonae)
Order Solanales
Family Solanaceae
Subfamily Cestroideae
Tribe Nicotineae
Genus Nicotiana
Sources appear at the end of the
Solanaceae writeup.