| New name | Old name |
| |
| SINCORAEA Ule (type: Sincoraea amoena Ule) | |
|
| Sincoraea albopicta (Philcox) Louzada & Wanderley | Orthophytum albopictum Philcox |
| Sincoraea amoena Ule | Orthophytum amoenum (Ule) L.B. Smith |
| Sincoraea burle-marxii (L.B. Smith & Read) Louzada & Wanderley | Orthophytum burle-marxii L.B. Smith & Read, Orthophytum roseum Leme (syn. nov.) |
| Sincoraea hatschbachii (Leme) Louzada & Wanderley | Orthophytum hatschbachii Leme |
| Sincoraea heleniceae (Leme) Louzada & Wanderley | Orthophytum heleniceae Leme |
| Sincoraea humilis (L.B. Smith) Louzada & Wanderley | Orthophytum humile L.B. Smith |
| Sincoraea mucugensis (Wanderley & A.A. Conceição) Louzada & Wanderley | Orthophytum mucugense Wanderley & A.A. Conceição |
| Sincoraea navioides (L.B. Smith) Louzada & Wanderley | Orthophytum navioides (L.B. Smith) L.B. Smith |
| Sincoraea ophiuroides (Louzada & Wanderley) Louzada & Wanderley | Orthophytum ophiuroides Louzada & Wanderley |
| Sincoraea rafaelii (Leme) Louzada & Wanderley | Orthophytum rafaelii Leme |
| Sincoraea ulei (Louzada & Wanderley) Louzada & Wanderley | Orthophytum ulei Louzada & Wanderley |