| Family | Scientific Name | Common Name | Habitat | Distribution | Image |
|---|---|---|---|---|---|
| Acanthaceae | Andrographis | False Water-willow |  | ||
| Acanthaceae | Anisacanthus | Desert-honeysuckle | |||
| Acanthaceae | Asystasia | Chinese Violet | |||
| Acanthaceae | Avicennia | Black Mangrove |  | ||
| Acanthaceae | Barleria | ||||
| Acanthaceae | Carlowrightia | Carlowrightia, Wrightwort | |||
| Acanthaceae | Dicliptera | Dicliptera, Foldwing |  | ||
| Acanthaceae | Dyschoriste | Twinflower, Snakeherb, Dyschoriste |  | ||
| Acanthaceae | Elytraria | Elytraria |  | ||
| Acanthaceae | Eranthemum | ||||
| Acanthaceae | Graptophyllum | ||||
| Acanthaceae | Hygrophila | Swampweed |  | ||
| Acanthaceae | Hypoestes | ||||
| Acanthaceae | Justicia | Water-willow |  | ||
| Acanthaceae | Nelsonia | Nelsonia | |||
| Acanthaceae | Odontonema | Firespike | |||
| Acanthaceae | Pseuderanthemum | ||||
| Acanthaceae | Ruellia | Wild-petunia |  | ||
| Acanthaceae | Stenandrium |  | |||
| Acanthaceae | Strobilanthes | ||||
| Acanthaceae | Thunbergia | Clock-vine |  | ||
| Acanthaceae | Yeatesia | Bractspike |  |