| Collector | Lojtnant, B. |
| Number | 12583 |
| Collected with | Molau, U. & Madison, M. |
| Country | Ecuador |
| Subpart | CARCHI |
| County | |
| Locality | La Esperanza, 5 km W of El Carmelo on road to Tulcán. Hedgerows and pasture margins. |
| Coordinates | 0° 41' N 77° 38' W |
| Minimum elevation (m) | 3000 |
| Maximum elevation (m) | 3100 |
| Start date | 1979/04/06 |
| End date | 1979/04/15 |
| Family | Onagraceae |
| Identification | Oenothera epilobiifolia subsp. cuprea (Schlecht.)Raven & Parnell |
| Determined by | |
| Identification qualifier | |
| Field notes | Decumbent herb. Sepals reflexed, proximally reddish. Petals red with broad yellow margins. In grazed pasture. |
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