| Collector | Madsen, J. E. |
| Number | 50431 |
| Collected with | |
| Country | Ecuador |
| Subpart | PICHINCHA |
| County | |
| Locality | Road Ibarra - Guayllabamba, at bridge about km 5 before Guayallabamba. Sandy slope. Xerophytic scrub dominated by cacti. |
| Coordinates | 0° 2' S 78° 23' W |
| Minimum elevation (m) | 2100 |
| Maximum elevation (m) | 2100 |
| Start date | 1984/03/18 |
| End date | 1984/03/18 |
| Family | Cactaceae |
| Identification | Cleistocactus sepium var. ventimigliae (Riccob.)J. E. Madsen |
| Determined by | J. E. Madsen, 1986 (AAU) |
| Identification qualifier | |
| Field notes | Plant upright, about 1 m high, in dense shrub to 2.5 m high. Joints to 7 cm thick. Ribs 7-9 (-11, eg. one plant with 10 and one with 11). |
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