American Licorice (Glycyrrhiza lepidota) is a perennial herb, the roots of which can be eaten and have a sweet flavor. It likes moist soil and can tolerate quite a bit of shade.
These are sold as dormant root crowns with a bit of stem attached, bare root.
Photo credit: Dcrjsr, CC BY 4.0 <https://creativecommons.org/licenses/by/4.0>, via Wikimedia Commons