| Collector | Holm-Nielsen, L. B. |
| Number | 21140 |
| Collected with | Jaramillo, J. & Brandbyge, J. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Aguarico, 60 km downstream from San Pablo de los Secoyas. Rain forest. |
| Coordinates | 0° 18' S 76° 0' W |
| Minimum elevation (m) | 220 |
| Maximum elevation (m) | 220 |
| Start date | 1980/02/14 |
| End date | 1980/02/14 |
| Family | Rubiaceae |
| Identification | Pentagonia macrophylla Benth. |
| Determined by | B. Ollgaard, 1983 |
| Identification qualifier | |
| Field notes | Treelet 5 m. Fruits brown. Flowers red. |