| Collector | Brandbyge, J. |
| Number | 33771 |
| Collected with | Asanza, E. & Werling, L. & Leth-Nissen, S. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Cuyabeno. Hilly primary forest 1.5 km upstream from Puerto Bolívar on the right margin. |
| Coordinates | 0° 6' S 76° 10' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1981/08/19 |
| End date | 1981/08/19 |
| Family | Bombacaceae |
| Identification | Matisia bracteolosa Ducke |
| Determined by | W. S. Alverson, 1987 |
| Identification qualifier | |
| Field notes | Tree 15 m. On sloping hillside. |