Literature
- Hou, D. 1996. Exotic Genera: Amherstia; Brownea; Delonix; Haematoxylum; Hymenaea; Parkinsonia; Schizolobium, and Tamarindus. In: Hou, D., K. Larsen & S.S. Larsen. Caesalpiniaceae (Leguminosae - Caesalpinioideae). Flora Malesiana ser. I, Vol. 12 (2): 716-730. .
- Verdcourt, B. 1979. A manual of New Guinea Legumes. Botany Bulletin no. 11. Office of Forests Division of Botany Lae, Papua New Guinea. pp. 645.