| Collector | Balslev, H. |
| Number | 84819 |
| Collected with | Valencia, R. & Paz, G. |
| Country | Ecuador |
| Subpart | SUCUMBIOS |
| County | |
| Locality | Reserva Faunistica Cuyabeno, Río Cuyabeno, from outlet of Laguna Grande 10 km down-stream. Tropical rain forest and floodplain along river and river margins. |
| Coordinates | 0° 1' S 76° 11' W |
| Minimum elevation (m) | 265 |
| Maximum elevation (m) | 265 |
| Start date | 1989/04/04 |
| End date | 1989/04/04 |
| Family | Apocynaceae |
| Identification | Himatanthus sucuuba (Spruce) Woodson |
| Determined by | H. Balslev, 1989 |
| Identification qualifier | |
| Field notes | Small tree 8 m tall, latex white, flowers white. |
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