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.
Does this next sentence follow, given the preceding text?
Langsdorff's tobacco is a not a popular plant
It's impossible to say