Origin: Native to Africa, temperate and tropical Asia and Australasia.

Pharmacological Activities: Insect repellent, Antibacterial and Antifungal.

A guide to medicinal plants / Hwee Ling, Koh; Tung Kian, Chua; Chay Hoon, Tan. Singapore:  World vScientific Public Co. Pte. Ltd., 2009. p 289 p.