| Author | Title | Journal/publisher | Literature ref. no. |
| Leeuwenberg, A.J.M. & Kupicha, F.K. et al. (1985) | Apocynaceae | Flora Zambesiaca 7(2) | 55 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 10 |
| Carissa spinarum |
| Catharanthus roseus |
| Funtumia africana |
| Pleiocarpa pycnantha |
| Rauvolfia afra |
| Rauvolfia mannii |
| Saba comorensis |
| Tabernaemontana pachysiphon |
| Voacanga africana |
| Voacanga thouarsii |