| Orbea ciliata (Thunb.) L. C. Leach |
Accepted |
22 |
| Orbea cooperi (N. E. Br.) L. C. Leach |
Accepted |
11 |
| Orbea dummeri (N. E. Br.) Bruyns |
Accepted |
11 |
| Orbea huillensis (Hiern) Bruyns |
Accepted |
11 |
| Orbea macloughlinii (Verdc.) L. C. Leach |
Accepted |
22 |
| Orbea namaquensis (N. E. Br.) L. C. Leach |
Accepted |
11 |
| Orbea prognatha (P. R. O. Bally) L. C. Leach |
Accepted |
11 |
| Orbea pulchella (Masson) L. C. Leach |
Accepted |
11 |
| Orbea semota (N. E. Br.) L. C. Leach |
Accepted |
22 |
| Orbea speciosa L. C. Leach |
Accepted |
22 |
| Orbea taitica Bruyns |
Accepted |
11 |
| Orbea variegata (L.) Haw. |
Accepted |
22 |
| Orbea woodii (N. E. Br.) L. C. Leach |
Accepted |
11 |
| Orbea fenestrata (Plowes) Meve |
Unresolved |
11 |
| Orbea luntii (N. E. Br.) Bruyns |
Unresolved |
11 |
| Caralluma baldratii A. C. White & B. Sloane |
Synonym of Orbea baldratii (A. C. White & B. Sloane) Bruyns |
11 |
| Orbea baldratii Bruyns |
Synonym of Orbea baldratii (A. C. White & B. Sloane) Bruyns |
11 |
| Angolluma denboefii (Lavranos) Plowes |
Synonym of Orbea denboefii (Lavranos) Bruyns |
11 |
| Caralluma gemugofana M. G. Gilbert |
Synonym of Orbea gemugofana (M. G. Gilbert) Bruyns |
11 |
| Caralluma huernioides P. R. O. Bally |
Synonym of Orbea huernioides (P. R. O. Bally) Bruyns |
11 |
| Stapelia lepida Jacq. |
Synonym of Orbea lepida (Jacq.) Haw. |
22 |
| Stapelia longidens N. E. Br. |
Synonym of Orbea longidens (N. E. Br.) L. C. Leach |
22 |
| Orbeopsis lutea (N. E. Br.) L. C. Leach |
Synonym of Orbea lutea (N. E. Br.) Bruyns |
11 |
| Caralluma lutea subsp. vaga (N. E. Br.) L. C. Leach |
Synonym of Orbea lutea subsp. vaga (N. E. Br.) Bruyns |
11 |
| Caralluma vaga (N. E. Br.) A. C. White & B. Sloane |
Synonym of Orbea lutea subsp. vaga (N. E. Br.) Bruyns |
11 |
| Orbeopsis lutea subsp. vaga (N. E. Br.) L. C. Leach |
Synonym of Orbea lutea subsp. vaga (N. E. Br.) Bruyns |
11 |
| Caralluma maculata N. E. Br. |
Synonym of Orbea maculata (N. E. Br.) L. C. Leach |
22 |
| Stapelia namaquensis N. E. Br. |
Synonym of Orbea namaquensis (N. E. Br.) L. C. Leach |
11 |
| Stultitia paradoxa Verd. |
Synonym of Orbea paradoxa (Verd.) L. C. Leach |
22 |
| Stapelia prognatha P. R. O. Bally |
Synonym of Orbea prognatha (P. R. O. Bally) L. C. Leach |
11 |
| Stapelia pulchella Masson |
Synonym of Orbea pulchella (Masson) L. C. Leach |
11 |
| Caralluma schweinfurthii A. Berger |
Synonym of Orbea schweinfurthii (A. Berger) Bruyns |
11 |
| Stapelia semota N. E. Br. |
Synonym of Orbea semota (N. E. Br.) L. C. Leach |
22 |
| Caralluma sprengeri (Schweinf.) N. E. Br. |
Synonym of Orbea sprengeri (Schweinf.) Bruyns |
11 |
| Stultitia umbracula M. D. Hend. |
Synonym of Orbea umbracula (M. D. Hend.) L. C. Leach |
11 |
| Stapelia variegata L. |
Synonym of Orbea variegata (L.) Haw. |
22 |
| Orbea verrucosa var. verrucosa |
Synonym of Orbea verrucosa (Masson) L. C. Leach |
11 |
| Stapelia verrucosa Masson |
Synonym of Orbea verrucosa (Masson) L. C. Leach |
11 |
