| Collector | Lawesson, J. E. |
| Number | 43436 |
| Collected with | Thomas Laessoe & Peter Moller Jorgensen |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Yasuní. 30 min upstream from Garza Coche. Primary rain forest. Terra firme. |
| Coordinates | 1° 5' S 75° 47' W |
| Minimum elevation (m) | 200 |
| Maximum elevation (m) | 200 |
| Start date | 1983/04/11 |
| End date | 1983/04/11 |
| Family | Malvaceae |
| Identification | Pavonia castaneifolia St.-Hil. & Naudin |
| Determined by | Fryxell, P. (TAES), 1992. |
| Identification qualifier | |
| Field notes | Shrub 2 m high. Sepals green. Petals white. |