Which genus has more species, Cyperus or Gentiana?
Cyperus Cyperus is a large genus of about 700 species of sedges, distributed throughout all continents in both tropical and temperate regions.
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.