| Name | Siphonacanthus |
| Authorship | |
| Rank | Genus |
| NomenclaturalStatus | NomLeg |
| Placed in | Acanthaceae |
| Contains | Siphonacanthus densus Nees Siphonacanthus diffusus Nees Siphonacanthus erythropus Nees Siphonacanthus repens Nees Siphonacanthus rubiginosus Nees Siphonacanthus sp. Siphonacanthus villosus Nees |