| Collector | Lawesson, J. E. |
| Number | 43316 |
| Collected with | Thomas Laessoe & Peter Moller Jorgensen |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Yasuní. Aproximately 2 hours upriver from Río Napo. Primary rain forest, terra firme. |
| Coordinates | 1° 5' S 75° 35' W |
| Minimum elevation (m) | 180 |
| Maximum elevation (m) | 200 |
| Start date | 1983/04/08 |
| End date | 1983/04/08 |
| Family | Styracaceae |
| Identification | Styrax tessmannii Perkins |
| Determined by | S. S. Renner, 1988 |
| Identification qualifier | |
| Field notes | Tree 5-10 m high. Fruits green. |