Nicotiana n. : A genus of American and Asiatic solanaceous herbs, with viscid foliage and funnel-shaped blossoms. Several species yield tobacco. See Tobacco.

Example:
How safe is Nicotiana Alata if I have dogs?

Taxonomy
tobacco, Nicotiana, Nicotiana species, plants, tobacco plants, unranked, verification needed, N. tabacum, free encyclopedia, flowers, genus, Tree Tobacco, nicotine, honor, 3000 BC, seedbeds, branches, large hole.

Defination from the web:
Nicotiana species, commonly referred to as tobacco plants, are cultivated and grown to produce tobacco. Of all Nicotiana species, Cultivated Tobacco (N. tabacum) is the most widely planted and is grown worldwide for production of tobacco leaf for cigarettes. ...