| Collector | Klitgaard, B. B. |
| Number | 509 |
| Collected with | P. Lozano, T. Delgado, N. Aguirre, R. Tapia & H. Alejandro |
| Country | Ecuador |
| Subpart | EL ORO |
| County | |
| Locality | Bosque Petrificado Puyango. Dirt track from information centre towards the forest. |
| Coordinates | 3° 52' S 80° 5' W |
| Minimum elevation (m) | 450 |
| Maximum elevation (m) | 450 |
| Start date | 1997/05/07 |
| End date | 1997/05/07 |
| Family | Fabaceae |
| Identification | Senna obtusifolia (L.)Irwin & Barneby |
| Determined by | Klitgaard, B.B. |
| Identification qualifier | |
| Field notes | Degraded primary dry forest. Left side of quebrada near rock pools. Herb to 1 m. Leaves dull green above, greyish green below. Sepals green. Petals yellow. Pod to 15 cm, green. |
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