| Collector | Madsen, J. E. |
| Number | 36451 |
| Collected with | |
| Country | Ecuador |
| Subpart | TUNGURAHUA |
| County | |
| Locality | The plant was given to us from a local citizen. It should grow in the mountains around Baños. |
| Coordinates | 1° 29' S 78° 28' W |
| Minimum elevation (m) | 1800 |
| Maximum elevation (m) | 1800 |
| Start date | 1981/11/01 |
| End date | 1981/11/01 |
| Family | Orchidaceae |
| Identification | Oncidium pastasae Rchb. f. |
| Determined by | Dodson, C.H. (MO), 1992. |
| Identification qualifier | |
| Field notes | Flowers only once a year. The flower: the uppermost and the 2 lowest petals are dark brown in the center and lilac and white at the tips. |
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