| Collector | Madsen, J. E. |
| Number | 63166 |
| Collected with | |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Isla Puná. Path from Puná Nueva to Zapote, mainly at Loma de Corallito. Prosopis-Caesalpinia-savanna with seasonal swamps and salt marshes. |
| Coordinates | 2° 44' S 79° 56' W |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 1987/04/21 |
| End date | 1987/04/24 |
| Family | Euphorbiaceae |
| Identification | Croton rivinifolius H.B.K. |
| Determined by | |
| Identification qualifier | |
| Field notes | Shrub 1-2 m high. Flowers white. Common name: Palosangre (source: E. Montero Ch., Puná Nueva). |
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