| Collector | Balslev, H. |
| Number | 4400 |
| Collected with | and B. Boom |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Lago Agrio to Quito road 52 km from Lago Agrio just before Lumbaqui. Montane forest. |
| Coordinates | 0° 0' N 77° 25' W |
| Minimum elevation (m) | 1650 |
| Maximum elevation (m) | 1650 |
| Start date | 1983/08/28 |
| End date | 1983/08/28 |
| Family | Rubiaceae |
| Identification | Isertia laevis (Triana)B.Boom |
| Determined by | |
| Identification qualifier | |
| Field notes | A tree to 8 m tall growing in a landslide. Flowers white, leafundersurface whitish green. |