Literature
- Larsen, K. & D. Hou. 1996. Senna. In: Hou, D., K. Larsen & S.S. Larsen. Caesalpiniaceae (Leguminosae - Caesalpinioideae). Flora Malesiana ser. I, Vol. 12 (2): 673-691. .
- de Wit, H.D.C., 1956. A revision of the genus Cassia (Caesalpinioideae) as occuring in Malaysia. In: Webbia 11: 197-292. .