| Collector | Staahl, B. |
| Number | 1886 |
| Collected with | Bro, B., Knudsen, J., Navarrete, H. & Ollgaard, B. |
| Country | Ecuador |
| Subpart | MORONA-SANTIAGO |
| County | |
| Locality | San Luis and vicinity, ca 10 km S of Macas E of Río Upano |
| Coordinates | 2° 23' 78° 7' |
| Minimum elevation (m) | 800 |
| Maximum elevation (m) | 850 |
| Start date | 1995/11/14 |
| End date | 1995/11/14 |
| Family | Rubiaceae |
| Identification | Psychotria tessmannii Standley |
| Determined by | Taylor, C. M. (MO), 2001. |
| Identification qualifier | |
| Field notes | Ubranches subshrub 0.5 m, corolla greenish white. |
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