| Collector | Renner, S. S. |
| Number | 69308 |
| Collected with | |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Vicinity of Waimo basecamp of the Conoco oil company, ca. 40 km E of Coca. Primary forest. |
| Coordinates | 0° 28' S 76° 58' W |
| Minimum elevation (m) | 275 |
| Maximum elevation (m) | 275 |
| Start date | 1988/05/30 |
| End date | 1988/05/31 |
| Family | Rubiaceae |
| Identification | Tocoyena williamsii Standley |
| Determined by | Taylor, C.M. (MO), 1993. |
| Identification qualifier | |
| Field notes | Tree, ca 15 m high, in primary forest. Flowers yellow, anthers shed pollen onto the stigma before the petals open. |