| Collector | Madsen, J. E. |
| Number | 63849 |
| Collected with | |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Isla Punà. Rìo Hondo to La Florida. Dry, semi-deciduous forest with Ceiba. Further thickets with Mimosa, Pithecellobium and Acasia. |
| Coordinates | 2° 49' S 80° 1' 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 | Reynel, C. (MO), 1995. |
| Identification qualifier | |
| Field notes | Shrub, 3 m high. Flowers white, rotate. Common name: Salsafra (source: E. Montero Ch., Puná Nueva). Wood collection available at AAU. |