| Collector | Holm-Nielsen, L. B. |
| Number | 17416 |
| Collected with | Jaramillo, J. & Vries, T. de |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | N side of Cerro Sumaco, loma NW of campsite. Montane forest with large trees and numerous epiphytes. Steep creek gorges with numerous large ferns. |
| Coordinates | 0° 34' S 77° 43' W |
| Minimum elevation (m) | 3100 |
| Maximum elevation (m) | 3150 |
| Start date | 1979/04/28 |
| End date | 1979/04/28 |
| Family | Cyperaceae |
| Identification | Uncinia hamata (Sw.)Urb. |
| Determined by | Wheeler, G.A. (MIN), 1995. |
| Identification qualifier | |
| Field notes | Bracts with brown margins. |