| Collector | Barfod, A.S. |
| Number | 41052 |
| Collected with | |
| Country | Ecuador |
| Subpart | ESMERALDAS |
| County | |
| Locality | Río Zapallo Grande (tributary of Río Cayapa). Trail leading to hills from the riverbank opposite to the evangelic mission station. Lightly disturbed rain forest on terra firme. Ethnobot. inform.: Marclovio Añapa and Vicente Tapuyo. |
| Coordinates | 0° 48' N 78° 52' W |
| Minimum elevation (m) | 200 |
| Maximum elevation (m) | 200 |
| Start date | 1982/10/25 |
| End date | 1982/10/25 |
| Family | Apocynaceae |
| Identification | Prestonia rotundifolia K. Schum. ex Woodson |
| Determined by | Morales, J.F. (INB), 1998. |
| Identification qualifier | |
| Field notes | Climber. Flowers yellow. Latex white. Nom. vern.: Tcho-miserano-tapé (Cayapa). Use: Stimulates human milk production during nursing. Prep.: A decoction is made from the crude leaves and used for rubbing the breasts 3 times a day. |