| Name | Exostema formosum Chamisso & Schlechtendal ex de Candolle | 
| Authorship | Chamisso & Schlechtendal ex de Candolle | 
| Rank | Species | 
| Placed in | Exostema (Persoon) Bonpland | 
| Citation | 1830 Prodr. [A. P. de Candolle] 4: 361 | 
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Exostema formosum Chamisso & Schlechtendal ex de Candolle | 
| Identification made in | 1999 (2) | 
