| Collector | Nabe-Nielsen, J. |
| Number | 569 |
| Collected with | |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | The Yasuní National Park. Liana diversity plot no. 1, humid ridge-side |
| Coordinates | 0° 40' s 76° 24' w |
| Minimum elevation (m) | 240 |
| Maximum elevation (m) | 240 |
| Start date | 1996/10/11 |
| End date | 1996/10/11 |
| Family | Boraginaceae |
| Identification | Tournefortia angustiflora Ruiz & Pav. |
| Determined by | Miller, J. (MO), 1997 |
| Identification qualifier | |
| Field notes | Scrambling, non-twining liana with dbh=6.3 cm. The species has sometimes been recorded as twining. The plant climbs in a 19 m high host tree with dbh =29 cm. No smell or latex. |