1. B.-E. Van Wyk und Anne Llse Schutte, vide Ref. [4] sub Brongniartieae.
2. Anne Llse Schutte and B.-E. VAN Wyk, Evolutionary relationships in the Podalyrieae and Lipa-rieae (Fabaceae) based on morphological, cytological, and chemical evidence, Plant Syst. Evol. 209, 1–31 (1998).
3. Anna-Maria De Nysschen et al. Seed flavonoids of the Podalyrieae and Liparieae (Fabaceae), Plant Syst. Evol. 212, 1–11 (1998).
4. B.-E. Van Wyk and G. A. Verdoorn, Optical rotation of quinolizidine alkaloids: an important variable in che-mosystematic studies of Fabaceae, Plant Syst. Evol. 198, 267–274 (1995).
5. M. Thulin, Calpurnia auf S. 104 in Vol. 3 (1989) von Flora of Ethiopia (inge hedberg and sue EDwards Eds).