| Name | Cassia negrensis H. S. Irwin |
| Authorship | H. S. Irwin |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Cassia Linnaeus |
| GUID | urn:lsid:ipni.org:names:48819-2 |
| Citation | 1967 Mem. New York Bot. Gard. 16: 101 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cassia negrensis H. S. Irwin |
| Identification made in | [no date] (1), 1965 (1) |