| Collector | Asanza, E. |
| Number | 41191 |
| Collected with | Barfod, A. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Cuyabeno Nature Reserve, Río Cuyabeno and Laguna Cañangueno. Collections made from canoe going upstream to the lake, varzéa and igapó forest. |
| Coordinates | 0° 2' S 76° 10' W |
| Minimum elevation (m) | 240 |
| Maximum elevation (m) | 240 |
| Start date | 1982/11/12 |
| End date | 1982/11/12 |
| Family | Fabaceae |
| Identification | Senna spinescens (Vog.)Irwin & Barneby |
| Determined by | S. S. Renner, 1989 |
| Identification qualifier | |
| Field notes | Tree, 3-4 m. Outer zone of varzéa-forest. Inflorescence big and yellow. |
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