| Collector | Madsen, J. E. |
| Number | 2931 |
| Collected with | B. Sambou & S. Traoré |
| Country | Senegal |
| Subpart | TAMBACOUNDA |
| County | |
| Locality | Parc National du Niokolo Koba. Mare de Oudiare (vicinity of Simenti). Dried-up marsh with tall grasses. |
| Coordinates | 13° 17' N 13° 1' W |
| Minimum elevation (m) | 30 |
| Maximum elevation (m) | 30 |
| Start date | 1993/12/15 |
| End date | 1993/12/15 |
| Family | Fabaceae |
| Identification | Indigofera macrocalyx Guill. et Perr. |
| Determined by | J. E. Madsen (DAKAR), 1995 |
| Identification qualifier | |
| Field notes | Herb with more or less creeping branches. Flowers pale orange-red. |