| Name | Sigmatostalix unguiculata C. Schweinfurth |
| Authorship | C. Schweinfurth |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Sigmatostalix H. G. Reichenbach |
| GUID | urn:lsid:ipni.org:names:236195-2 |
| Citation | 1940 Bot. Mus. Leafl. 8: 55 |
| Holdings | 3 Specimens held in the Harvard University Herbaria identified as Sigmatostalix unguiculata C. Schweinfurth |
| Identification made in | [no date] (1), 2006 (1), 2012 (1) |