| Collector | Balslev, H. |
| Number | 84724 |
| Collected with | Valencia, R. & Paz, G. |
| Country | Ecuador |
| Subpart | SUCUMBIOS |
| County | |
| Locality | Reserva Faunistica Cuyabeno. Río Cuyabeno from outlet of Laguna Grande and 5 km upstream. Tropical rain forest along mixed black- and white-water river. |
| Coordinates | 0° 1' N 76° 11' W |
| Minimum elevation (m) | 265 |
| Maximum elevation (m) | 265 |
| Start date | 1989/04/02 |
| End date | 1989/04/02 |
| Family | Acanthaceae |
| Identification | Hygrophila costata Nees & T.Nees |
| Determined by | |
| Identification qualifier | |
| Field notes | Suffrutex, flowers white. |
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