| Collector | Brandbyge, J. |
| Number | 33801 |
| Collected with | Asanza, E. & Werling, L. & Leth-Nissen, S. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Cuyabeno. About 3 km upstream from Puerto Bolívar on the rigth margin. Periodically flooded riverside forest. |
| Coordinates | 0° 6' S 76° 10' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1981/08/19 |
| End date | 1981/08/19 |
| Family | Rubiaceae |
| Identification | Alibertia stenantha Standl. |
| Determined by | B. Boom, 1987 |
| Identification qualifier | |
| Field notes | Shrub 2 m. Fruits yellow. |