| Author | Title | Journal/publisher | Literature ref. no. |
| Troupin, G. (1978) | Nyctaginaceae | Flore du Rwanda Spermatophytes Volume I 202-208 | 1400 |
Note that the process of capturing references from species to the literature and the reverse may be incomplete.
| Species found: 8 |
| Boerhavia coccinea |
| Boerhavia diffusa |
| Boerhavia erecta |
| Bougainvillea sp. cultivar (cultivated) |
| Commicarpus grandiflorus |
| Commicarpus helenae |
| Commicarpus plumbagineus |
| Mirabilis jalapa |