| Collector | Lojtnant, B. |
| Number | 12045 |
| Collected with | Molau, U. & Madison, M. |
| Country | Ecuador |
| Subpart | CARCHI |
| County | |
| Locality | Above La Esperenza, 5 km W of El Carmelo on road to Tulcán. Virgin cloud forest, dominated by Clusia. |
| Coordinates | 0° 41' N 77° 38' W |
| Minimum elevation (m) | 3200 |
| Maximum elevation (m) | 3450 |
| Start date | 1979/04/09 |
| End date | 1979/04/09 |
| Family | Orchidaceae |
| Identification | Masdevallia corderoana Lehm. & Krzl. |
| Determined by | |
| Identification qualifier | |
| Field notes | Epiphyte. Sepals pale dirty yellow with 3 prominent, dark purple lines in the broad part. Tails yellow. Lip with 3 dark, purple lines and purplish margin, otherwise whitish. Lateral petals whitish with a purple central nerve. |
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