| Name | Macrolobium microcalyx var. minimum R. S. Cowan |
| Authorship | R. S. Cowan |
| Rank | Variety |
| NomenclaturalStatus | NomLeg |
| Placed in | Macrolobium microcalyx Ducke |
| Citation | 1958 Bot. Mus. Leafl. 18: 151 |
| Holdings | 4 Specimens held in the Harvard University Herbaria identified as Macrolobium microcalyx var. minimum R. S. Cowan |
| Identification made in | [no date] (4) |