| Collector | Madsen, J. E. |
| Number | 63340 |
| Collected with | |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Isla Puná. Vicinity of Puná Vieja. Semi-deciduous forest, swamps, meadows and salt marshes; disturbed. |
| Coordinates | 2° 57' S 80° 9' W |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 1987/05/07 |
| End date | 1987/05/08 |
| Family | Euphorbiaceae |
| Identification | Phyllanthus amarus Schum. & Thonn. |
| Determined by | Huft, M. J. (MO), 1992. |
| Identification qualifier | |
| Field notes | Herb, 20 cm high. Flowers green. Common name: Cavansillo (source: Daniel Perez, Puná Vieja). |