| Collector | Madsen, J. E. |
| Number | 3311 |
| Collected with | A. Goudiaby, S. Laegaard, B. Sambou & S. Traoré |
| Country | Senegal |
| Subpart | TAMBACOUNDA |
| County | |
| Locality | Parc National du Niokolo Koba. Rd. Niokolo Koba camp site - Assirik, km 0-3. Forest. |
| Coordinates | 13° 5' N 12° 43' W |
| Minimum elevation (m) | 60 |
| Maximum elevation (m) | 60 |
| Start date | 1994/09/25 |
| End date | 1994/09/25 |
| Family | Asteraceae |
| Identification | Vernonia purpurea Sch. Bip. |
| Determined by | S. A. Traoré (DAKAR), 1995 |
| Identification qualifier | |
| Field notes | Erect herb, to 80 cm tall. Heads violet. |
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