stoneroot
/ˈstoʊnˌruːt/
noun
- A North American plant (Collinsonia canadensis) with a hard, knobby root and small yellow flowers, historically used in herbal medicine.
- Stoneroot grows in shady woodlands and blooms in late summer.
- The tough root of stoneroot makes it difficult to dig up.
- Herbalists sometimes use stoneroot to make a tea for digestive issues.