| Collector | Lawesson, J. E. |
| Number | 39603 |
| Collected with | Laessoe, T. & Jorgensen, P. M. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Añangu, Río Napo. Trail from CEPE buildings eastward, along waterpipe. Primary rain forest. Terra firme. |
| Coordinates | 0° 31' S 76° 23' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1983/05/06 |
| End date | 1983/05/06 |
| Family | Rubiaceae |
| Identification | Gonzalagunia affinis Standley |
| Determined by | Staahl, B. (GB), 1994. |
| Identification qualifier | |
| Field notes | Shrub 1-2 m high. Calyx green. Corolla white. Fruits white. On hilly slope, very near open area, rather dry and light. Also found near beginning of the SEF-line. |