| Collector | Vormisto, J. |
| Number | 15 |
| Collected with | Criollo, G. |
| Country | Peru |
| Subpart | Loreto |
| County | |
| Locality | Maynas. Ca. 3 km to NW of the village of Sta Ana.Unflooded primary rain forest on loamy soil, on a hill. |
| Coordinates | 4° 6' S 73° 7' W |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 150 |
| Start date | 1996/02/04 |
| End date | 1996/02/04 |
| Family | Arecaceae |
| Identification | Geonoma macrostachys Mart. |
| Determined by | Borchsenius, F. |
| Identification qualifier | |
| Field notes | 7 leaves, blade 109 - 132 cm long, petiole 34 - 52 cm. Blade 22 - 23 cm wide in the middle. Brown indument on the petiole and the leaf axis. |
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