| Collector | Foster, R.B. |
| Number | 3751 |
| Collected with | |
| Country | Ecuador |
| Subpart | Napo |
| County | |
| Locality | Rio Yasuni. Slightly hilly upland forest, ca. 80 km upriver from Nuevo Rocafuerte |
| Coordinates | |
| Minimum elevation (m) | 225 |
| Maximum elevation (m) | 225 |
| Start date | 1977/09/17 |
| End date | 1977/09/17 |
| Family | Annonaceae |
| Identification | Guatteria guianensis (Aubl.)R.E.Fr. |
| Determined by | P.J.M. Maas (U)1994. Maas & Westra 2011 |
| Identification qualifier | |
| Field notes | Small tree, 10 m; fruit green, not ripe |
|