| Collector | Ruiz, J. |
| Number | 5326 |
| Collected with | L.P.Kvist, L.Freitas |
| Country | Peru |
| Subpart | Loreto |
| County | |
| Locality | Along the lower Ucayali river, approx. 7 km SW of the Jenaro Herrera Village, "Zona de Lobillo". |
| Coordinates | 4° 59' S 73° 44' W |
| Minimum elevation (m) | 120 |
| Maximum elevation (m) | 120 |
| Start date | 1993/09/01 |
| End date | 1994/02/12 |
| Family | Lecythidaceae |
| Identification | Couratari oligantha A.C.Sm |
| Determined by | |
| Identification qualifier | |
| Field notes | From plot 5 (of nine 100x100 metres large permanent plots). Plot flooded up to several metres and often for more than a half year annually (tauhampa). Mostly flooded by black water from local upland streams, but ocasionally also by white water from the Ucayali river. Tree 33 m. tall, 442 mm. dbh. |
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