| Collector | Knudsen, J.T. |
| Number | 516 |
| Collected with | |
| Country | Ecuador |
| Subpart | Napo |
| County | |
| Locality | Estación Científica del Yasuní en Río Tiputini. Primary forest on terra firme. c. 35 km S of Pompeya |
| Coordinates | 0° 40' S 76° 23' W |
| Minimum elevation (m) | 2 |
| Maximum elevation (m) | 300 |
| Start date | 1995/01/11 |
| End date | 1995/03/11 |
| Family | Arecaceae |
| Identification | Geonoma macrostachys var. macrostachys Mart. |
| Determined by | F. Borchsenius |
| Identification qualifier | |
| Field notes | Acaulescent. Leaf blade 50-100 cm long, simple. Staminodes ef female flowers white and style and stigma white. |
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