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.
Nicotiana langsdorffii Nicotiana langsdorffii, Langsdorff's tobacco, is a species of the "Nicotiana" genus (tobacco). It is an annual plant with large leaves (up to 10 inches long) with tall 2 inch nodding long tubular bell shaped flowers that are apple green in colour, with blue anthers. "N. langsdorfii" lacks fragrance unlike some of the other tall species. It is grown as an ornamental garden plant.