| Collector | Klitgaard, B. B. |
| Number | 99460 |
| Collected with | Gustafsson, C. & Persson, C. |
| Country | Ecuador |
| Subpart | MORONA-SANTIAGO |
| County | |
| Locality | Km 65 on road Bella Unión - Quenca |
| Coordinates | 2° 25' S 79° 17' W |
| Minimum elevation (m) | 1500 |
| Maximum elevation (m) | 2000 |
| Start date | 1991/11/08 |
| End date | 1991/11/08 |
| Family | Cunoniaceae |
| Identification | Weinmannia costulata Cuatr. |
| Determined by | Harling, G. (GB) 1998. |
| Identification qualifier | |
| Field notes | Small tree c. 3 m tall. Inflorescences from axils of the youngest leaves. Flowers white. Internodes and young branches cross-shaped in cross section. |