| Collector | Lawesson, J. E. |
| Number | 39396 |
| Collected with | Laessoe, T. & Jorgensen, P. M. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Añangu, Río Napo. Tropical rain forest. Terra firme. |
| Coordinates | 0° 31' S 76° 23' W |
| Minimum elevation (m) | 260 |
| Maximum elevation (m) | 350 |
| Start date | 1983/03/11 |
| End date | 1983/03/15 |
| Family | Euphorbiaceae |
| Identification | Aparisthmium cordatum (Juss.)Baill. |
| Determined by | Secco, R. (K), 1994. |
| Identification qualifier | |
| Field notes | Tree 8 m. Flowers whitish-green. At SEF-point 36. |