Source: Magness et al. 1971
The plant is a perennial herb, grown from seed or from divisions of the roots, for the licorice of commerce obtained from the rhizomes or "roots." The leaves are compound-pinnate, with entire leaflets. Three to four years of growth are required for rhizomes to reach sufficient size for harvest. The plant top dies down each year. In harvesting, rhizomes are dug, partially dried and extracted, for use in medicine, candies, and tobacco products. Licorice is little grown in the U.S., as production is generally uneconomic; but large quantities of the roots are imported.