| Collector | Madsen, J. E. |
| Number | 8435 |
| Collected with | Carlos Rosales, Orlando A. Sanchez |
| Country | Ecuador |
| Subpart | LOJA |
| County | |
| Locality | Los Dos Puentes at Quebrada La Monica (S of Loja). Steep slope with secondary vegetation. |
| Coordinates | 4° 4' 47'' S 79° 11' 38'' W |
| Minimum elevation (m) | 2300 |
| Maximum elevation (m) | 2300 |
| Start date | 2001/09/13 |
| End date | 2001/09/13 |
| Family | Rubiaceae |
| Identification | Cinchona officinalis L. |
| Determined by | |
| Identification qualifier | |
| Field notes | Treelet, 6 m tall. Dbh = 6 cm. In fruit. On steep cliff. |