| Collector | Brandbyge, J. |
| Number | 33512 |
| Collected with | Asanza, E. & Werling, L. & Leth-Nissen, S. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Wai si ayá. 1.5-2 km upriver from the outlet in Río Aguarico. Primary forest intermediate between varzea and upland forest. |
| Coordinates | 0° 15' S 76° 21' W |
| Minimum elevation (m) | 300 |
| Maximum elevation (m) | 300 |
| Start date | 1981/08/13 |
| End date | 1981/08/13 |
| Family | Rubiaceae |
| Identification | Psychotria tenuicaulis K. Krause |
| Determined by | Taylor, C.M. (MO), 2003. |
| Identification qualifier | |
| Field notes | Shrublet 1.2 m. Flowers white. |
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