| Collector | Holm-Nielsen, L. B. |
| Number | 6912 |
| Collected with | Jeppesen, S. & Lojtnant, B. & Ollgaard, B. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Between Cuyuja and Papallacta, on road Papallacta - Baeza. Steep slopes with scattered high trees. |
| Coordinates | 0° 21' S 78° 0' W |
| Minimum elevation (m) | 2650 |
| Maximum elevation (m) | 2650 |
| Start date | 1973/06/06 |
| End date | 1973/06/06 |
| Family | Orchidaceae |
| Identification | Oncidium macranthum Lindl. |
| Determined by | |
| Identification qualifier | |
| Field notes | Epiphyte, inflorescence 1.5 m long. Sepals yellow, brownish tinged. Lateral petals bright yellow. The smaller lobes of the lip bright brown, the rest of lip yellow, the margins brown, the callus white at the base and brown at the tip. A rather bad small. |
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