| Collector | Brandbyge, J. |
| Number | 32779 |
| Collected with | Asanza, E. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Wai si ayá, a northern tributary to Río Aguarico. A small path going in the direction E-SE. The path situated about 6 km upriver from San Pablo. Inundated primary forest dominated by palms. |
| Coordinates | 0° 15' S 76° 21' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1980/08/10 |
| End date | 1980/08/10 |
| Family | Orchidaceae |
| Identification | Maxillaria acutifolia Lindl. |
| Determined by | J. D. Ackerman, 1990 (UPRRP) |
| Identification qualifier | |
| Field notes | Epiphyte. Flowers yellow. Labellum with scattered reddish-brown spots. |