| Collector | Holm-Nielsen, L. B. |
| Number | 21137 |
| Collected with | Jaramillo, J. & Brandbyge, J. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Aguarico, 60 km downstream from San Pablo de los Secoyas. Rain forest. |
| Coordinates | 0° 18' S 76° 0' W |
| Minimum elevation (m) | 220 |
| Maximum elevation (m) | 220 |
| Start date | 1980/02/14 |
| End date | 1980/02/14 |
| Family | Arecaceae |
| Identification | Geonoma macrostachys var. macrostachys Mart. |
| Determined by | F. Borchsenius |
| Identification qualifier | |
| Field notes | Inflorescence yellowish-green. |
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