| Collector | Madsen, J. E. |
| Number | 8248 |
| Collected with | Carlos Chimbo, Carlos Rosales |
| Country | Ecuador |
| Subpart | LOJA |
| County | |
| Locality | From crossrd. Catacocha - Catamayo (at km 10) app. 8 km S along gravel road. Ravine with semi-evergreen vegetation surrounded by disturbed, dry slopes with xerophytic plants. |
| Coordinates | 4° 3' 10'' S 79° 35' 17'' W |
| Minimum elevation (m) | 1900 |
| Maximum elevation (m) | 2000 |
| Start date | 2001/08/06 |
| End date | 2001/08/06 |
| Family | Cactaceae |
| Identification | Armatocereus rupicola Ritter |
| Determined by | |
| Identification qualifier | |
| Field notes | Arborescent, 7 m tall (seen to at least 10 m tall). Trunk 20 cm wide, spineless (wood from slash included). Stem-joints mostly 6-7-ribbed, some plants with a few or many multiple-ribbed distal stems. Flowers with pure white petaloids. Flowering freely but seemingly past the peak of flowering. Fruits unripe. Found in steep ravines where it grows up through fairly dense vegetation. Liquid material available at AAU. |
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