| Collector | Kvist, L. P. |
| Number | 40858 |
| Collected with | Asanza, E. |
| Country | Ecuador |
| Subpart | ESMERALDAS |
| County | |
| Locality | Río Cayapa. Zapallo Grande. 1 km. upriver the village a trail on the left bank was followed into the forest. The trail rise steeply. Disturbed and primary forest. |
| Coordinates | 0° 48' N 78° 55' W |
| Minimum elevation (m) | 150 |
| Maximum elevation (m) | 150 |
| Start date | 1982/08/03 |
| End date | 1982/08/03 |
| Family | Onagraceae |
| Identification | Ludwigia octovalvis (Jacq.)Raven |
| Determined by | |
| Identification qualifier | |
| Field notes | Herb, 60 cm tall. In open areas. Flowers yellow. Nom. Vern.: Ya ke tala chumu llullu tape (Cayapa); No use reported. |
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