| Collector | Holm-Nielsen, L. B. |
| Number | 25317 |
| Collected with | Jaramillo, J. & Coello, F. & Asanza, E. |
| Country | Ecuador |
| Subpart | ESMERALDAS |
| County | |
| Locality | Río Cayapas, Cooperativa la Concordia, half an hour upstream from Borbón. Riverside forest. |
| Coordinates | 1° 3' N 79° 0' W |
| Minimum elevation (m) | 30 |
| Maximum elevation (m) | 30 |
| Start date | 1980/08/31 |
| End date | 1980/08/31 |
| Family | Alismataceae |
| Identification | Sagittaria lancifolia subsp. lancifolia L. |
| Determined by | R. R. Haynes & L. B. Holm-Nielsen, 1985 |
| Identification qualifier | |
| Field notes | Leaves more than 2 m in the water. Flowers white. Petals 2x2 cm. Anthers yellow. . |
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