| Collector | Brandbyge, J. |
| Number | 31973 |
| Collected with | Asanza, E. |
| Country | Ecuador |
| Subpart | MORONA-SANTIAGO |
| County | |
| Locality | Taisha. Río Guambime. A small river situated 2-3 km E of the military camp. Riverside forest. |
| Coordinates | 2° 23' S 77° 30' W |
| Minimum elevation (m) | 400 |
| Maximum elevation (m) | 400 |
| Start date | 1980/06/17 |
| End date | 1980/06/17 |
| Family | Begoniaceae |
| Identification | Begonia rossmanniae A. DC. |
| Determined by | L. B. Smith & D. C. Wasshausen |
| Identification qualifier | |
| Field notes | Epiphyte, climbing. Stem and lower surface of leaves purplish. Flowers red, stamens and stigmas yellow. |