| Collector | Madsen, J. E. |
| Number | 5934 |
| Collected with | |
| Country | Burkina Faso |
| Subpart | BOULGOU |
| County | |
| Locality | Some km SE of Tenkodogo. Dips in the landscape with cattle pastures and waterholes covered with aquatic plants. |
| Coordinates | 11° 43' N 0° 19' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1996/10/02 |
| End date | 1996/10/02 |
| Family | Asteraceae |
| Identification | Vernonia ambigua Kotsch. & Peyr. |
| Determined by | |
| Identification qualifier | |
| Field notes | Herb, 30 cm tall. Flowers violet. On dry grounds beneath tall tree. |
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