| Collector | Madsen, J. E. |
| Number | 63635 |
| Collected with | |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Isla Punà. Bellavista to Punta Grueso, along Estero de Boca. Disturbed salt marsh, mangrove and xerophytic thickets with Cordia lutea and Croton rivinaefolius. |
| Coordinates | 2° 44' S 80° 13' W |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 1987/06/09 |
| End date | 1987/06/09 |
| Family | Euphorbiaceae |
| Identification | Croton rivinifolius H.B.K. |
| Determined by | |
| Identification qualifier | |
| Field notes | Shrub, 1-3 m high. Common name: Chala (source: E. C. Vera, Bellavista). |