1. Mabberley, D. J. 1997.The Plant Book,, 2nd Edn., 765Cambridge, London: Cambridge UP.
2. Hooker, J. D. 1999.Flora of British India, Vol. 1, 492–496. Dehra Dun, India: Bishen Singh Mehendra Pal Singh.
3. Hajra, P. K., Verma, D. M. and Giri, G. S. 1996.Materials for the Flora of Arunachal Pradesh, Vol.1, 270–271. Kolkatta, India: Botanical Survey of India.
4. Composition of the Leaf Oils of the Australian and Lord Howe Island Species ofZanthoxylum(Rutaceae)