| Collector | Ollgaard, B. |
| Number | 57186 |
| Collected with | Korning, J. & Thomsen, K. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Añangu, NW corner of the "Parque Nacional Yasuní". Along SEF line in terra firme forest. Undisturbed rain forest. |
| Coordinates | 0° 32' S 76° 22' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1985/01/24 |
| End date | 1985/01/25 |
| Family | Annonaceae |
| Identification | Guatteria duodecima Maas & Westra |
| Determined by | P.J.M.Maas & L.Y.Th.Westra |
| Identification qualifier | |
| Field notes | 30 m tall tree, DBH 35 cm. Flowers green. |
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