| Collector | Madsen, J. E. |
| Number | 8559 |
| Collected with | |
| Country | Ecuador |
| Subpart | LOJA |
| County | |
| Locality | Rd. Amaluza - Cariamanga, km 12. At Los Mangos de Limbo, at Río Limon. Dry thickets on slope. |
| Coordinates | 4° 30' 45'' S 79° 25' 46'' W |
| Minimum elevation (m) | 1500 |
| Maximum elevation (m) | 1500 |
| Start date | 2001/10/18 |
| End date | 2001/10/18 |
| Family | Cactaceae |
| Identification | Cleistocactus serpens (Kunth)F.A.C. Weber |
| Determined by | Madsen, J.E. |
| Identification qualifier | |
| Field notes | Shrubby to, 2 m high. Flowers red (appearing a few weeks later on cut stems taken from different individuals and added to the collection). |