Literature
- Hou, D. 1996. Kalappia. In: Hou, D., K. Larsen & S.S. Larsen. Caesalpiniaceae (Leguminosae - Caesalpinioideae). Flora Malesiana ser. I, Vol. 12 (2): 625-627. .
- Kostermans, A.J.G.H. 1952. Notes on two leguminous genera from Eastern Indonesia. In: Reinwardtia, Vol. 1: 451-452.