| Collector | Holm-Nielsen, L. B. |
| Number | 4195 |
| Collected with | Jeppesen, S. & Lojtnant, B. & Ollgaard, B. |
| Country | Ecuador |
| Subpart | MORONA-SANTIAGO |
| County | |
| Locality | Misión Bamboiza. Rain forest. |
| Coordinates | 3° 29' S 78° 34' W |
| Minimum elevation (m) | 800 |
| Maximum elevation (m) | 800 |
| Start date | 1973/04/23 |
| End date | 1973/04/23 |
| Family | Orchidaceae |
| Identification | Maxillaria ponerantha Rchb. f. |
| Determined by | Carnevali, G. 1997. |
| Identification qualifier | |
| Field notes | Epiphyte in tall tree. Flowers dark purple-red. Labellum pale green. |
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