| Collector | Vormisto, J. |
| Number | 307 |
| Collected with | |
| Country | Peru |
| Subpart | Loreto |
| County | |
| Locality | Quebrada Blanco. Ca. 2 km to NW of the village Siete de Julio. Unflooded primary rain forest on gently undulating terrain, on Pebas soil formation |
| Coordinates | 4° 23' S 73° 7' W |
| Minimum elevation (m) | 100 |
| Maximum elevation (m) | 150 |
| Start date | 1997/05/09 |
| End date | 1997/05/09 |
| Family | Arecaceae |
| Identification | Bactris major var. infesta (Mart.)Drude |
| Determined by | |
| Identification qualifier | |
| Field notes | Cespitose, stems 2-4 m long. Pinnae 18 per side. Spines at the base of the petiole, 7 cm long and yellow, in the leaf axis spines 3 cm long |
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