| Author | Title | Journal/publisher | Literature ref. no. |
| Darbyshire I., Tchamba J. & Manzitto-Tripp, E.A. (2023) | A synopsis of Ruellia (Acanthaceae) in Angola, including two species new to science | Rheedea, Journal of the Indian Association for Angiosperm Taxonomy 33(4) 246-269 | 1702 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 4 |
| Ruellia bignoniiflora |
| Ruellia patula |
| Ruellia praetermissa |
| Ruellia prostrata |