| Collector | Madsen, J. E. |
| Number | 50395 |
| Collected with | |
| Country | Ecuador |
| Subpart | TUNGURAHUA |
| County | |
| Locality | Vicinity of Ambato to the S. Seminatural xerophytic vegetation on sandy slope. |
| Coordinates | 1° 15' S 78° 37' W |
| Minimum elevation (m) | 2600 |
| Maximum elevation (m) | 2600 |
| Start date | 1984/03/05 |
| End date | 1984/03/05 |
| Family | Cactaceae |
| Identification | Cleistocactus sepium (H.B.K.)F.A.C. Weber |
| Determined by | J. E. Madsen, 1986 (AAU) |
| Identification qualifier | |
| Field notes | Plant about 1 m high. Ribs about 9. Fruit yellowish green to brownish green, covered with brownish to greyish brown hair-like spines. |