| Collector | Holm-Nielsen, L. B. |
| Number | 26637 |
| Collected with | Jaramillo, J. & Coello, F. & Asanza, E. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Borja, km 4. Riverside forest. |
| Coordinates | 0° 27' S 77° 47' W |
| Minimum elevation (m) | 1780 |
| Maximum elevation (m) | 1780 |
| Start date | 1980/09/21 |
| End date | 1980/09/21 |
| Family | Clethraceae |
| Identification | Clethra obovata (R. & P.)G. Don |
| Determined by | Gustafsson, C. (GB), 1992. |
| Identification qualifier | |
| Field notes | Tree, 6 m tall. Inflorescence brownish. Petals whitish. |