| Collector | Madsen, J. E. |
| Number | 3688 |
| Collected with | |
| Country | Senegal |
| Subpart | TAMBACOUNDA |
| County | |
| Locality | Parc National du Niokolo Koba. Rd. Camp Niokolo Koba - Assirik, km 0-5. Mainly on the dry plateau. |
| Coordinates | 13° 3' N 12° 43' W |
| Minimum elevation (m) | 80 |
| Maximum elevation (m) | 80 |
| Start date | 1994/10/22 |
| End date | 1994/10/22 |
| Family | Fabaceae |
| Identification | Rhynchosia congensis Bak. |
| Determined by | S.A. Traore (DAKAR), 1995 |
| Identification qualifier | |
| Field notes | Twining vine in forest with bamboos (Oxytenanthera). Flowers blue. |
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