| Collector | Holm-Nielsen, L. B. |
| Number | 3984 |
| Collected with | Jeppesen, S. & Lojtnant, B. & Ollgaard, B. |
| Country | Ecuador |
| Subpart | ZAMORA-CHINCHIPE |
| County | |
| Locality | Road Loja - Zamora, km 14. Mountain ridges with elfin forest and open bogs. |
| Coordinates | 4° 0' S 79° 9' W |
| Minimum elevation (m) | 2750 |
| Maximum elevation (m) | 2770 |
| Start date | 1973/04/19 |
| End date | 1973/04/20 |
| Family | Orchidaceae |
| Identification | Odontoglossum longifolium Lindl. |
| Determined by | Dalström, S. (S), 1991. |
| Identification qualifier | |
| Field notes | Terrestrial on Loma. Sunexposed. Labellum white, but the central of the epichil red-brownish tinted. Other tepals greenish-purplebrown. |
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