烟草及其制品做为一种商品,我国将它划在商品学中的副食品商品学范畴,属味觉品。烟草做为草本植物,属于茄科。烟草属又分三个亚属,即普通烟草亚属、黄花烟草亚属和碧冬烟草亚属。其中普通烟草亚属分二个组6个种,黄花烟草亚属分三 Tobacco and its products are used as a commodity. China has classified it as a taste product in the category of non-staple food commodities in commodity science. Tobacco as a herb belongs to Solanaceae. The genus Nicotiana is subdivided into three subgenera, namely the subgenus of the common tobacco, the subgenus of the yellow tobacco, and the subgenus of the petunia. Among them, the subgenus of common tobacco is divided into two groups of 6 species, subspecies of yellow tobacco is divided into three subspecies.