nicotiana

from WordNet (r) 3.0 (2006)

Nicotiana
    n 1: American and Asiatic aromatic herbs and shrubs with viscid
         foliage [syn: {Nicotiana}, {genus Nicotiana}]

from The Collaborative International Dictionary of English v.0.48

Nicotiana \Ni*co`ti*a"na\, prop. n. [NL. See {Nicotian}.] (Bot.)
   A genus of American and Asiatic solanaceous herbs, with
   viscid foliage and funnel-shaped blossoms. Several species
   yield tobacco. See {Tobacco}.
   [1913 Webster]