| Collector | Staahl, B. |
| Number | 1964 |
| Collected with | B. Bro, J. Knudsen, Hugo Navarrete & Benjamin Ollgaard |
| Country | Ecuador |
| Subpart | MORONA-SANTIAGO |
| County | |
| Locality | Mutintz and vicinity, SW of Makuma. primary and disturbed forest on terra firme. transect 5 x 240 m. |
| Coordinates | 2° 12' S 77° 44' W |
| Minimum elevation (m) | 650 |
| Maximum elevation (m) | 750 |
| Start date | 1995/11/17 |
| End date | 1995/11/18 |
| Family | Rubiaceae |
| Identification | Psychotria macrophylla Ruiz & Pav. |
| Determined by | Taylor, C.M. (MO), 2001. |
| Identification qualifier | |
| Field notes | Erect, unbranched subshrub 1 m, corolla white, fruits white. |