| Collector | Madsen, J. E. |
| Number | 50221 |
| Collected with | |
| Country | Ecuador |
| Subpart | LOJA |
| County | |
| Locality | La Toma (Catamayo) - Loja, km 3 from La Toma. Xerophytic scrub vegetation. |
| Coordinates | 3° 59' S 79° 20' W |
| Minimum elevation (m) | 1400 |
| Maximum elevation (m) | 1400 |
| Start date | 1984/02/18 |
| End date | 1984/02/18 |
| Family | Cactaceae |
| Identification | Opuntia quitensis F. A. C. Weber |
| Determined by | |
| Identification qualifier | |
| Field notes | 1 m high. Joints circular to oblong. Fruit 7 cm long. This clone is composed of larger plants relative to the rest of the population (eg. EC 50223). |