| Collector | Lawesson, J. E. |
| Number | 39358 |
| 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 | 1983/02/27 |
| End date | 1983/03/08 |
| Family | Aristolochiaceae |
| Identification | Aristolochia sprucei Mast. |
| Determined by | Gonzales, F. (COL), 1994. |
| Identification qualifier | |
| Field notes | Twining liana. Corolla brown with yellow spots. Between SEF-point 4 and 5. |
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