Kaempferia galanga is from the Galanga family of plants, commonly used in for cooking and medicinal purposes.

However, Kaempferia galanga  has a wide variety of uses, for example is used in New Guinea as a hallucinogen.

Kaempferia Galanga – As a Hallucinogen is a concise article on Kaempferia Galanga; its composition, uses, and medicinal properties. Such as, a spice to flavor rice or employment as a pain reliever in sore throat, swellings, rheumatism, and eye infections.

A great read for anyone interested in harnessing what nature has to offer.