| Name | Cassia fagonioides var. macrocalyx H. S. Irwin & Barneby |
| Authorship | H. S. Irwin & Barneby |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Cassia fagonioides Vogel |
| GUID | urn:lsid:ipni.org:names:48563-2 |
| Citation | 1978 Mem. New York Bot. Gard. 30: 276 |
| Holdings | 2 Specimens held in the Harvard University Herbaria identified as Cassia fagonioides var. macrocalyx H. S. Irwin & Barneby |
| Identification made in | [no date] (1), 1974 (1) |