quillaias
/kwɪˈlaɪəz/
noun
- Trees or shrubs of the genus Quillaja, native to South America, whose bark is used as a natural soap and foaming agent.
- The farmer planted several quillaias on his land to sell the bark to cosmetic companies.
- Extracts from quillaias are often added to beverages to create a stable foam.
- Quillaias are harvested for their bark, which is used in natural shampoos and cleaning products.