| Collector | Balslev, H. |
| Number | 97312 |
| Collected with | Berg, C. C. & Gavilanes, M. & Thygesen, A. & Christensen, D. E. & Ellemann, L. & Brucculeri, R. |
| Country | Ecuador |
| Subpart | SUCUMBIOS |
| County | |
| Locality | Reserva Faunistica Cuyabeno. Laguna Grande and surroundings, including Río Cuyabeno from Pto. Bolívar to above Laguna Cañangueno. |
| Coordinates | 0° 0' S 76° 10' W |
| Minimum elevation (m) | 265 |
| Maximum elevation (m) | 265 |
| Start date | 1990/03/11 |
| End date | 1990/05/13 |
| Family | Apocynaceae |
| Identification | Odontadenia macrantha (Roem. & Schult.)Mgf. |
| Determined by | H. Balslev, 1991 (AAU) |
| Identification qualifier | |
| Field notes | Climbing in sunexposed vegetation along Río Cuyabeno below Laguna Grande. Flowers yellow, latex copious. |
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