| Collector | Holm-Nielsen, L. B. |
| Number | 21691 |
| Collected with | Jaramillo, J. & Brandbyge, J. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Aguarico. N of bank of river at San Pablo de las Secoyas. Rain forest. |
| Coordinates | 0° 17' S 76° 24' W |
| Minimum elevation (m) | 230 |
| Maximum elevation (m) | 230 |
| Start date | 1980/02/21 |
| End date | 1980/02/21 |
| Family | Rubiaceae |
| Identification | Psychotria tessmannii Standley |
| Determined by | Taylor, C.M. (MO), 2001. |
| Identification qualifier | |
| Field notes | Shrub, 2 m. Inflorescence white. |
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