| Collector | Holm-Nielsen, L. B. |
| Number | 5689 |
| Collected with | Jeppesen, S. & Lojtnant, B. & Ollgaard, B. |
| Country | Ecuador |
| Subpart | CARCHI |
| County | |
| Locality | Valle de Maldonado, km 60 on road Tulcán-Maldonado. Cleared slopes along the roads and denser cloud forest. |
| Coordinates | 0° 51' N 78° 4' W |
| Minimum elevation (m) | 2700 |
| Maximum elevation (m) | 2700 |
| Start date | 1973/05/18 |
| End date | 1973/05/18 |
| Family | Orchidaceae |
| Identification | Maxillaria grandiflora (H.B.K.)Lindl. |
| Determined by | |
| Identification qualifier | |
| Field notes | Epiphyte, more or less exposed. Flowers scentless. Se- pals white, weakly yellowish at the base and at the apex. Lateral petals white. Gynostemium yellowish, yellow at the base, with many red-brown dots. The up- turned margins of the lip red-brownish on the upper side, the apex yellow and the callus white. |
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