| Collector | Lawesson, J. E. |
| Number | 43513 |
| Collected with | Thomas Laessoe & Peter Moller Jorgensen |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Yasuní, Garza Coche. Primary rain forest near the beginning of lake Garza Coche. Terra firme. |
| Coordinates | 1° 5' S 75° 47' W |
| Minimum elevation (m) | 200 |
| Maximum elevation (m) | 200 |
| Start date | 1983/04/12 |
| End date | 1983/04/12 |
| Family | Cactaceae |
| Identification | Selenicereus megalanthus (Vaupel)Moran |
| Determined by | J.E. Madsen, 1990 |
| Identification qualifier | |
| Field notes | Herb. Climbing on decaying wood on the forest floor. |