| Collector | Madsen, J. E. |
| Number | 7960 |
| Collected with | Anja Byg, Carlos Rosales |
| Country | Ecuador |
| Subpart | LOJA |
| County | |
| Locality | Vicinity of Comunidades, app. 14 km S of Vilcabamba. Vertical cliffs with xerophytic vegetation close to river. Also secondary vegetation bordering agricultural fields. |
| Coordinates | 4° 18' 60'' S 79° 12' 30'' W |
| Minimum elevation (m) | 1600 |
| Maximum elevation (m) | 1600 |
| Start date | 2001/05/11 |
| End date | 2001/05/11 |
| Family | Loasaceae |
| Identification | Mentzelia scabra subsp. chilensis (Gay) Weigend |
| Determined by | M. Weigend |
| Identification qualifier | |
| Field notes | Shrub with fragile twigs, 1.5 m long. Flowers yellow. |