soapwort
/ˈsoʊpˌwɜrt/
noun
- A plant whose leaves and roots can be used to make a soapy lather when rubbed with water.
- Hikers sometimes use soapwort as a natural soap when camping.
- The gardener showed us how to crush soapwort leaves to create a gentle cleanser.
- She planted soapwort near the stream because it thrives in moist soil.