| Collector | Gudino, E. |
| Number | 407 |
| Collected with | |
| Country | Ecuador |
| Subpart | Pastaza |
| County | |
| Locality | Pastaza Canton. Pozo petrolero "Masaramu" de UNOCAL. 40 km al nor-nororiente de Montalvo. Bosque húmedo Tropical, primario. Arboles cortados por las obras petroleras. Suelo sojo, colinas. |
| Coordinates | 0° 44' S 76° 52' W |
| Minimum elevation (m) | 400 |
| Maximum elevation (m) | 400 |
| Start date | 1990/05/01 |
| End date | 1990/05/16 |
| Family | Rubiaceae |
| Identification | Warszewiczia schwackei K. Schum. |
| Determined by | |
| Identification qualifier | |
| Field notes | Arbol pequeño; 10 a 12 m de altura; 8 cm DAP; en pendiente. Fuste recto. Hojas coriáceas, quebradizas; envés claro, haz obscuro. Botones cafés, pedúnculo verde. |
|