| Collector | Balslev, H. |
| Number | 10486 |
| Collected with | Madsen, E. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Cuyuja. Pastures on slopes with large epiphyte covered trees and remnants of montane forest. |
| Coordinates | 0° 23' S 77° 58' W |
| Minimum elevation (m) | 2450 |
| Maximum elevation (m) | 2550 |
| Start date | 1976/10/30 |
| End date | 1976/10/30 |
| Family | Euphorbiaceae |
| Identification | Hyeronima macrocarpa Muell. Arg. |
| Determined by | Liesner, R. (MO), 1993. |
| Identification qualifier | |
| Field notes | Freestanding tree, 10 m high. Flowers greenish-yellow. |