gypsywort
/ˈdʒɪpsiˌwɜrt/
noun
- A perennial plant (Lycopus europaeus) of the mint family, native to Europe and Asia, often found in wet areas and used in traditional medicine.
- The leaves of gypsywort were once used to make a black dye.
- Gypsywort grows abundantly along the riverbank.
- She identified the plant as gypsywort by its small white flowers and square stem.