| Collector | Madsen, J. E. |
| Number | 5720 |
| Collected with | |
| Country | Burkina Faso |
| Subpart | OUDALAN |
| County | |
| Locality | Some km SW of Gorom Gorom. Remnants of Acacia-Balanites savanna on sandy soils in cultivated area. |
| Coordinates | 14° 22' N 0° 19' W |
| Minimum elevation (m) | 250 |
| Maximum elevation (m) | 250 |
| Start date | 1996/09/19 |
| End date | 1996/09/19 |
| Family | Scrophulariaceae |
| Identification | Rhamphicarpa fistulosa (Hochst.) Benth. |
| Determined by | Boussim, J. (DAKAR), 1997. |
| Identification qualifier | |
| Field notes | Erect herb. Aquatic in running stream. Flowers white. |