| Collector | Thomsen, K. |
| Number | 58813 |
| Collected with | |
| Country | Ecuador |
| Subpart | CARCHI |
| County | |
| Locality | Gualpí Alto area. Disturbed wet forest. |
| Coordinates | 1° 2' N 78° 23' W |
| Minimum elevation (m) | 900 |
| Maximum elevation (m) | 1000 |
| Start date | 1985/05/18 |
| End date | 1985/05/25 |
| Family | Orchidaceae |
| Identification | Maxillaria rufescens Lindl. |
| Determined by | Christenson, E.A. , 2000. |
| Identification qualifier | |
| Field notes | Epifyte in 3 ms height. Outer tepals purplish yellow, inner yellow with purple middle. Labellum yellow with deep purple dots. Rostellum finely purple dotted. |