| Name | Cassia langsdorffii var. latifolia H. S. Irwin |
| Authorship | H. S. Irwin |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Cassia langsdorffii Kunth ex Vogel |
| Citation | 1964 Mem. New York Bot. Gard. 12(1): 66 |
| Holdings | 1 Specimen held in the Harvard University Herbaria identified as Cassia langsdorffii var. latifolia H. S. Irwin |
| Identification made in | 1960 (1) |