Definitions for "Nicotiana"
A genus of American and Asiatic solanaceous herbs, with viscid foliage and funnel-shaped blossoms. Several species yield tobacco. See Tobacco.
A genus of plants in the Solanaceae family. Nicotiana tabacum (commercial tobacco) and Nicotiana benthamiana are used as model organisms, especially for gene silencing experiments.
American and Asiatic aromatic herbs and shrubs with viscid foliage