| Collector | Lawesson, J. E. |
| Number | 39636 |
| Collected with | Laessoe, T. & Jorgensen, P. M. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Añangu, Río Napo. Cultivated or ornamental plants in and around the village. |
| Coordinates | 0° 31' S 76° 23' W |
| Minimum elevation (m) | 260 |
| Maximum elevation (m) | 260 |
| Start date | 1983/06/28 |
| End date | 1983/06/28 |
| Family | Aquifoliaceae |
| Identification | Ilex guayusa Loes. |
| Determined by | Loizeau, P.-A. & Barriera, G. |
| Identification qualifier | |
| Field notes | Sterile tree, 10-15 m tall. Local name: Guayusa". Fresh as well as dried leaves are used to make the, 5 min in boiling water. It is possible to extract the leaves twice. |