| Collector | Holm-Nielsen, L. B. |
| Number | 7221 |
| Collected with | Jeppesen, S. & Lojtnant, B. & Ollgaard, B. |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Km 48 on road Guayaquil-Jipijapa, between San Isidro Ayora and Lomas de Sargentilla. Swamps and dry areas along the road. |
| Coordinates | 1° 53' S 80° 7' W |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 0 |
| Start date | 1973/06/16 |
| End date | 1973/06/16 |
| Family | Fabaceae |
| Identification | Neptunia prostrata (Lam.)Baill. |
| Determined by | |
| Identification qualifier | |
| Field notes | Floating in water, flowers yellow. |
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