| Collector | Holm-Nielsen, L. B. |
| Number | 4532 |
| Collected with | Jeppesen, S. & Lojtnant, B. & Ollgaard, B. |
| Country | Ecuador |
| Subpart | MORONA-SANTIAGO |
| County | |
| Locality | Pachicutza, at "Escuela Fiscomisional Cardinal Döpfner", km 140 on road Loja-Gualaquiza. Tropical rain forest with cleared areas along Rio Zamora and along the road. |
| Coordinates | 3° 37' S 78° 34' W |
| Minimum elevation (m) | 900 |
| Maximum elevation (m) | 1000 |
| Start date | 1973/04/26 |
| End date | 1973/04/27 |
| Family | Orchidaceae |
| Identification | Maxillaria rufescens Lindl. |
| Determined by | Christenson, E.A., 2000. |
| Identification qualifier | |
| Field notes | Epiphyte. Rainforest. Tufted. Flowers scentless. Flowers yellow-brown. Labellum with red-brown spots. Gynostemium with fine red-brown spots on the front. |
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