<http://schema.org/description>
"Tobacco, a plant of the nightshade family. The term is applied also to the cured and processed leaves of certain varieties of the plant, which are used in the manufacture of cigarettes, cigars, pipe tobacco, chewing tobacco, and snuff."^^<http://www.w3.org/2001/XMLSchema#string>
<http://science.howstuffworks.com/life/botany/tobacco-info.htm>