| Collector | Luteyn, J.L. |
| Number | 9009 |
| Collected with | Henrik Balslev, John J. Pipoly |
| Country | Ecuador |
| Subpart | Napo |
| County | |
| Locality | Parq. Nac. Yasuní, Añangu. Swamp forest along Río Añangu (black water) near jct. with Río Napo. |
| Coordinates | 0° 31' S 76° 23' W |
| Minimum elevation (m) | 270 |
| Maximum elevation (m) | 270 |
| Start date | 1983/02/18 |
| End date | 1983/02/28 |
| Family | Annonaceae |
| Identification | Trigynaea duckei (R.E.Fr.) R.E.Fr. |
| Determined by | D.M. Johnson |
| Identification qualifier | |
| Field notes | Shrub to 3 m tall. Perianth, stamens, and pistils white. Infrequent. |
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