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CCDB → Angiosperms → Apocynaceae → Orbeanthus
| Taxon name | Status | Median (n) |
| Orbeanthus conjunctus (White & Sloane) L. C. Leach | Accepted | 11 |
| Orbeanthus hardyi (R. A. Dyer) L. C. Leach | Accepted | 11 |
| Stultitia conjuncta White & Sloane | Synonym of Orbeanthus conjunctus (White & Sloane) L. C. Leach | 11 |