| Collector | Madsen, J. E. |
| Number | 8486 |
| Collected with | Carlos Chimbo |
| Country | Ecuador |
| Subpart | LOJA |
| County | |
| Locality | From crossrd. Cariamanga - Amaluza (at km 38) 10-14 km towards Río Pindo (passing below Jibiruchi). Dry vegetation bordering Río Pindo and semi-dry vegetation along road. |
| Coordinates | 4° 29' 30'' S 79° 29' 12'' W |
| Minimum elevation (m) | 1200 |
| Maximum elevation (m) | 1200 |
| Start date | 2001/09/24 |
| End date | 2001/09/24 |
| Family | Cactaceae |
| Identification | Armatocereus matucanensis Backeb. ex. A. W. Hill |
| Determined by | |
| Identification qualifier | |
| Field notes | Shrubby, 4 m tall. Ribs mostly 5-6. Spines unusual short in this population. Collected with mainly unripe fruits. |
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