| Collector | Lawesson, J. E. |
| Number | 39366 |
| 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 | 1983/03/09 |
| End date | 1983/03/10 |
| Family | Apocynaceae |
| Identification | Prestonia vana Woodson |
| Determined by | Morales, J.F. (INB), 1998. |
| Identification qualifier | |
| Field notes | Liana, on SEF 8528 (Miconia sp.). Calyx green-reddish. Corolla lobes partly red, yellow at apex. White latex. |
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