| Collector | Madsen, J. E. |
| Number | 4491 |
| Collected with | |
| Country | Senegal |
| Subpart | TAMBACOUNDA |
| County | |
| Locality | Parc National du Niokolo Koba. Road Dar Salam - Simenti, km 20. Swampy grassland, now almost dried up. |
| Coordinates | 13° 7' N 13° 15' W |
| Minimum elevation (m) | 50 |
| Maximum elevation (m) | 50 |
| Start date | 1995/11/09 |
| End date | 1995/11/09 |
| Family | Fabaceae |
| Identification | Crotalaria calycina Schrank |
| Determined by | Madsen, J. E. (AAU), 1997. |
| Identification qualifier | |
| Field notes | Erect herb. Flowers yellow. In tall grass. |
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