Co je licorice? Co je licorice? A Mediterranean perennial plant (Glycyrrhiza glabra) of the pea family, having blue flowers, pinnately compound leaves, and a sweet, distinctively flavored root. The root of this plant, used as a flavoring in candy, liqueurs, tobacco, and medicines. Any of various similar plants.A confection made from or flavored with the licorice root. A chewy confection made from sugar and corn syrup with the addition of various flavorings, often manufactured in long flexible tubes.