| Collector | Madsen, J. E. |
| Number | 8173B |
| Collected with | Carlos Rosales |
| Country | Ecuador |
| Subpart | LOJA |
| County | |
| Locality | Río Pindo, vicinity of Jibiruche (km 9-14 towards Río Pindo along rd. to Jibiruche from crossrd. Amaluza - Cariamanga). Disturbed dry vegetation bordering the river. |
| Coordinates | 4° 29' 19'' S 79° 29' 11'' W |
| Minimum elevation (m) | 1100 |
| Maximum elevation (m) | 1300 |
| Start date | 2001/06/01 |
| End date | 2001/06/01 |
| Family | Cactaceae |
| Identification | Cleistocactus serpens (Kunth)F.A.C. Weber |
| Determined by | Madsen, J.E. (AAU), 2003. |
| Identification qualifier | |
| Field notes | Erect, with five branches, 80 cm high. Collected sterile. |