| Collector | Brandbyge, J. |
| Number | 33837 |
| Collected with | Asanza, E. & Werling, L. & Leth-Nissen, S. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Lagunas de Cuyabeno. Periodically flooded lake forest on the SW part of the first lake. |
| Coordinates | 0° 1' S 76° 11' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1981/08/21 |
| End date | 1981/08/21 |
| Family | Onagraceae |
| Identification | Ludwigia affinis (DC.)Hara |
| Determined by | E. Zardini, 1986 |
| Identification qualifier | |
| Field notes | Schrublet 0.7 m, on dead trunk. Flowers yellow. |
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