| Collector | Madsen, J. E. |
| Number | 63607 |
| Collected with | |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Isla Puná. Path Campo Alegre-Agua Piedra, km 0-5. Xerophytic thickets and dry forest with seasonal ponds. |
| Coordinates | 2° 48' S 80° 8' W |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 1987/06/07 |
| End date | 1987/06/07 |
| Family | Rutaceae |
| Identification | Zanthoxylum rigidum H. & B. ex C.Willdenow |
| Determined by | Madsen, J. E. (AAU), 1999. |
| Identification qualifier | |
| Field notes | Shrub, 4 m high. Stems thorny. Fruits black. |
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