| Collector | Madsen, J. E. |
| Number | 1697 |
| Collected with | B. Sambou, A. Goudiaby & S. Traoré |
| Country | Senegal |
| Subpart | TAMBACOUNDA |
| County | |
| Locality | Parc National du Niokolo Koba. Along the mostly dry riverbed of the Niokolo Koba tributary. |
| Coordinates | 13° 5' N 12° 43' W |
| Minimum elevation (m) | 30 |
| Maximum elevation (m) | 30 |
| Start date | 1993/06/15 |
| End date | 1993/06/15 |
| Family | Verbenaceae |
| Identification | Stachytarpheta angustifolia (Mill.) Vahl. |
| Determined by | J. E. Madsen (DAKAR), 1995 |
| Identification qualifier | |
| Field notes | Herb, 40 cm high. Flowers blue. |
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