noun
- a low-growing North American plant with yellow roots and small white flowers, used traditionally in herbal medicine
Usage: also called coptis or canker root; botanical name: Coptis trifolia
Examples
- Goldthread grows in moist woodlands throughout eastern North America.
- The bright yellow roots of goldthread give the plant its common name.
- Native Americans used goldthread as a remedy for mouth sores.
- Herbalists still recommend goldthread tea for sore throats.
- The delicate white flowers of goldthread bloom in spring.