| 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 | 
