| Collector | Leimbeck, R. |
| Number | 223 |
| Collected with | |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Yasuní National Park. Primary lowland rain forest on terra firme, E of Estacíon Científica Yasuní. On ridge between road (NPF - ECY, near km 9) and Río Tiputini (transect 11) |
| Coordinates | 0° 40' S 76° 22' W |
| Minimum elevation (m) | 230 |
| Maximum elevation (m) | 240 |
| Start date | 1999/05/12 |
| End date | 1999/05/12 |
| Family | Araceae |
| Identification | Heteropsis oblongifolia Kunth |
| Determined by | Leimbeck, Ralf M. (AAU) ,1999 |
| Identification qualifier | |
| Field notes | scandent hemiepiphyte; subwoody, internodes 3 cm long, 4-5 mm in diameter; petioles short; stipule-like extensions above petiole insertion; midrib sulcate on upper, prominent on lower surface; veins visible on lower surface, distinct marginal collecting vein |