| Collector | Holm-Nielsen, L. B. |
| Number | 21101 |
| Collected with | Jaramillo, J. & Brandbyge, J. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Aguarico, 40 km downstream from San Pablo de los Secoyas. Small island and sandbank. Riverside forest. |
| Coordinates | 0° 16' S 76° 11' W |
| Minimum elevation (m) | 230 |
| Maximum elevation (m) | 230 |
| Start date | 1980/02/14 |
| End date | 1980/02/14 |
| Family | Flacourtiaceae |
| Identification | Hasseltia floribunda H.B.K. |
| Determined by | S. S. Renner, 1989 |
| Identification qualifier | |
| Field notes | Treelet 4 m. Inflorescence light yellow. |