| Collector | Lojtnant, B. |
| Number | 12949 |
| Collected with | Molau, U. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | S side of Cerro Sumaco, 100-200 m S of the main crater. Ravines in paramo with steep rocks and seepages. |
| Coordinates | 0° 35' S 77° 39' W |
| Minimum elevation (m) | 3700 |
| Maximum elevation (m) | 3800 |
| Start date | 1979/04/29 |
| End date | 1979/04/29 |
| Family | Gentianaceae |
| Identification | Gentiana sedifolia Kunth |
| Determined by | Pringle, J.S. (HAM), 1985. |
| Identification qualifier | |
| Field notes | Tube yellowish white. Lobes dark blue, violet-purple at the base. Common as single plants in Werneria- cushions. Flowers only opened at temperatures above ca 12° C. Flowers closing 2-3 min. after picking. |