| Collector | Lojtnant, B. |
| Number | 11224 |
| Collected with | Molau, U. |
| Country | Ecuador |
| Subpart | PICHINCHA |
| County | |
| Locality | Alizal, between San Juan and Chiriboga on old road Quito - Santo Domingo. Mountain rain forest on steep slopes along road. |
| Coordinates | 0° 17' S 78° 38' W |
| Minimum elevation (m) | 3100 |
| Maximum elevation (m) | 3150 |
| Start date | 1979/03/20 |
| End date | 1979/03/20 |
| Family | Onagraceae |
| Identification | Oenothera tarquensis subsp. cuprea (Schlecht.)Raven & Parnell |
| Determined by | L. Andersson (GB), 1983. |
| Identification qualifier | |
| Field notes | Decumbent. Petals red with yellow margins. |
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