| Collector | Madsen, J. E. |
| Number | 85354 |
| Collected with | Madsen, E. B. & Montero, E. |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Isla Puná. Trail Puná Vieja - Campo Alegre, at about three hours walk. Sample plot area. Deciduous dry forest. Vernacular names by E. Montero Ch., Puná Nueva if not otherwise indicated. |
| Coordinates | 2° 53' S 80° 10' W |
| Minimum elevation (m) | 50 |
| Maximum elevation (m) | 50 |
| Start date | 1988/11/03 |
| End date | 1988/11/11 |
| Family | Cactaceae |
| Identification | Hylocereus polyrhizus (F.A.C. Weber) Britton & Rose |
| Determined by | |
| Identification qualifier | |
| Field notes | Epiphyte. Flowers open at dusk, 25 cm long and equally wide. Inner corolla ring 12 cm wide. Collected outside sample plot. |
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