| Name | Cassia cowanii H. S. Irwin & Barneby |
| Authorship | H. S. Irwin & Barneby |
| Rank | Species |
| NomenclaturalStatus | NomLeg |
| Placed in | Cassia Linnaeus |
| GUID | urn:lsid:ipni.org:names:48479-2 |
| Citation | 1982 Mem. New York Bot. Gard. 35: 24 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cassia cowanii H. S. Irwin & Barneby |
| Identification made in | [no date] (1), 1981 (1) |