| 1 | Native | Africa | East Tropical Africa | Uganda | | | Conservatoire et Jardin botaniques & South African National Biodiversity Institute. African flowering plants database (on-line resource). |
| 1 | Native | Africa | South Tropical Africa | Angola | | | Conservatoire et Jardin botaniques & South African National Biodiversity Institute. African flowering plants database (on-line resource). |
| 1 | Native | Africa | West-Central Tropical Africa | Burundi | | | Conservatoire et Jardin botaniques & South African National Biodiversity Institute. African flowering plants database (on-line resource). |
| 1 | Native | Africa | West-Central Tropical Africa | Democratic Republic of the Congo | | | Conservatoire et Jardin botaniques & South African National Biodiversity Institute. African flowering plants database (on-line resource). |
| 1 | Native | Africa | West-Central Tropical Africa | Gabon | Estuaire | | Sosef, M. S. M. et al. 2006. Check-list des plantes vasculaires du Gabon (Checklist of Gabonese vascular plants). Scripta Botanica Belgica 35. Jardin Botanique National de Belgique, Meise, Belgium. 246. |
| 1 | Native | Africa | West-Central Tropical Africa | Gabon | Moyen-Ogooué | | Sosef, M. S. M. et al. 2006. Check-list des plantes vasculaires du Gabon (Checklist of Gabonese vascular plants). Scripta Botanica Belgica 35. Jardin Botanique National de Belgique, Meise, Belgium. 246. |
| 1 | Native | Africa | West-Central Tropical Africa | Gabon | Ngounié | | Sosef, M. S. M. et al. 2006. Check-list des plantes vasculaires du Gabon (Checklist of Gabonese vascular plants). Scripta Botanica Belgica 35. Jardin Botanique National de Belgique, Meise, Belgium. 246. |
| 1 | Native | Africa | West-Central Tropical Africa | Gabon | Nyanga | | Sosef, M. S. M. et al. 2006. Check-list des plantes vasculaires du Gabon (Checklist of Gabonese vascular plants). Scripta Botanica Belgica 35. Jardin Botanique National de Belgique, Meise, Belgium. 246. |
| 1 | Native | Africa | West-Central Tropical Africa | Gabon | Ogooué-Ivindo | | Sosef, M. S. M. et al. 2006. Check-list des plantes vasculaires du Gabon (Checklist of Gabonese vascular plants). Scripta Botanica Belgica 35. Jardin Botanique National de Belgique, Meise, Belgium. 246. |
| 1 | Native | Africa | West-Central Tropical Africa | Gabon | Ogooué-Lolo | | Sosef, M. S. M. et al. 2006. Check-list des plantes vasculaires du Gabon (Checklist of Gabonese vascular plants). Scripta Botanica Belgica 35. Jardin Botanique National de Belgique, Meise, Belgium. 246. |
| 1 | Native | Africa | West-Central Tropical Africa | Gabon | Woleu-Ntem | | Sosef, M. S. M. et al. 2006. Check-list des plantes vasculaires du Gabon (Checklist of Gabonese vascular plants). Scripta Botanica Belgica 35. Jardin Botanique National de Belgique, Meise, Belgium. 246. |
| 1 | Native | Africa | West-Central Tropical Africa | Rwanda | | | Conservatoire et Jardin botaniques & South African National Biodiversity Institute. African flowering plants database (on-line resource). |