| Name | Hibiscus caesius Garcke |
| Authorship | Garcke |
| Rank | Species |
| Placed in | Hibiscus Linnaeus |
| Remarks | [confirmed] [imported from GBIF] |
| Citation | 1849 Bot. Zeitung (Berlin) 7: 850; et Peters, Reise Mossamb. Bot. 125 |
| Holdings | 7 Specimens held in the Harvard University Herbaria identified as Hibiscus caesius Garcke |
| Identification made in | [no date] (7) |