Which plant has more species, Ruta or Tobacco?
Tobacco Tobacco is a product prepared from the leaves of the tobacco plant by curing them. The plant is part of the genus "Nicotiana" and of the Solanaceae (nightshade) family. While more than 70 species of tobacco are known, the chief commercial crop is "N. tabacum". The more potent variant "N. rustica" is also used around the world.
Viola rostrata Viola rostrata, is a stemmed herbaceous perennial plant that is native to eastern North America. It is known by a number of common names including long-spurred violet.