The Leguminochoria B2–B7 superimposed on the Bioregions of southern Africa. Cluster B (Seasonal Rainfall Group) is divided into the Lower-rainfall Cape Floristic Region (B2); the Central Arid Region (B3); the Generalist Group (B4); the Summer Rainfall Region (B5); the Northern & Northeastern Savannah Region (B6) and the Kalahari Bushveld Region (B7). For the distribution of leguminochorion B1, see Figure 3. The leguminochoria is mapped on bioregions defined by (Rutherford et al. 2006) referring to the legend in Figure 2.