| Collector | Werff, H.v.d. |
| Number | 19504 |
| Collected with | B.Gray, J.C. Ronquillo, W. Quizhpe |
| Country | Ecuador |
| Subpart | Zamora-Chinchipe |
| County | |
| Locality | In the vicinity of the mining camp at the Río Tundaime. Along trail above botanical garden. Montane forest, low on ridges. |
| Coordinates | 3° 37' 31'' S 78° 26' 26'' W |
| Minimum elevation (m) | 1400 |
| Maximum elevation (m) | 1500 |
| Start date | 2004/11/11 |
| End date | 2004/11/11 |
| Family | Annonaceae |
| Identification | Unonopsis monticola Maas & Westra |
| Determined by | Paul Maas |
| Identification qualifier | |
| Field notes | Tree, 20 m. Flowers creamy. Petals erect, flower bowl-shaped. |
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