| Name | Ruellia geniculata Vellozo |
| Authorship | Vellozo |
| Rank | Species |
| Placed in | Ruellia Linnaeus |
| Citation | 1829 Fl. Flumin. 265 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Ruellia geniculata Vellozo |
| Identification made in | [no date] (1) |