Literature
- Hutchinson. 1964. In: Gen. Flow. Pl. 2: 229; 256.
- Irwin, H.S. & R.C. Barneby 1981. Cassieae Bronn. In: R.M. Polhill & P.H. Raven, Advances in Legume Systematics 1: 97-106.
- Kostermans, A.J.G.H. 1952. Notes on two leguminous genera from Eastern Indonesia. In: Reinwardtia, Vol. 1: 451-452.
- Polhill, R.M. & R.H. Raven (eds.), Advances in Legume systematics, Part 1. Vol. 2 of the Proceedings of the International Legume Conference, Kew, 24-29 July 1978. Royal Botanic Gardens, Kew. 425 +xxi pp. .
- Sunarno, B. & J. Ilic 1998. Kalappia Kosterm. In: Sosef, M.S.M., L.T. Hong & S. Prawirohatmodjo (eds.), Plant Resources of South-East Asia No. 5(3). Timber trees: Lesser-known timbers. Backhuys Publishers, Leiden: 308-310.