Scientific name: Costus speciosus (Koenig) Smith
- The roots are used for making tonic.
- The roots are also useful to treat fever.
- The rhizome which is rich in starch can be used as an ingredient for cooking.
- The whole plant is boiled for a decoction to bathe patients with high fever and for smallpox.
- The stem scrapings for leprous skin.
- The juice of the rhizome is purgative.
- The Malays attribute the plant with magical properties: drives away spirits causing illness.