烟豆 Traditional form: 煙豆 Pinyin (reading): yāndòu Definitions: variable glycine (Glycine tabacina), a scrambling plant in the bean family Characters: 烟 - smoke, soot; opium; tobacco, cigarettes 豆 - beans, peas; bean-shaped Traditional characters: 煙 - smoke, soot; opium; tobacco, cigarettes 豆 - beans, peas; bean-shaped