| Collector | Brandbyge, J. |
| Number | 33368 |
| Collected with | Asanza, E. & Werling, L. & Leth-Nissen, S. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Wai si ayá. 5 km upstream from the outlet in Río Aguarico. Primary forest on very wet ground. |
| Coordinates | 0° 15' S 76° 21' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1981/08/10 |
| End date | 1981/08/10 |
| Family | Rubiaceae |
| Identification | Psychotria stenostachya Standley |
| Determined by | Taylor, C. M. (MO), 2001. |
| Identification qualifier | |
| Field notes | Shrub 2.5 m. Fruits red. |