| Collector | Laegaard, S. |
| Number | 54290 |
| Collected with | |
| Country | Ecuador |
| Subpart | MANABI |
| County | |
| Locality | Parque Nacional Machalilla near Guadavia at Río Ayambe. Weeds. |
| Coordinates | 1° 40' S 80° 46' W |
| Minimum elevation (m) | 150 |
| Maximum elevation (m) | 150 |
| Start date | 1985/05/09 |
| End date | 1985/05/09 |
| Family | Poaceae |
| Identification | Gynerium sagittatum (Aubl.)P.Beauv. |
| Determined by | Laegaard, S. (AAU), 1994. |
| Identification qualifier | |
| Field notes | At riverside. App. 6 m tall. Panicle 1.25-1.50 m long. Upper leaf longer and broader than others and not ser- rate. |