| Collector | Holm-Nielsen, L. B. |
| Number | 19854 |
| Collected with | Jaramillo, J. & Coello, F. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Yasuní, 3-4 km from Río Napo. Rain forest. |
| Coordinates | 0° 57' S 75° 25' W |
| Minimum elevation (m) | 260 |
| Maximum elevation (m) | 260 |
| Start date | 1979/08/25 |
| End date | 1979/08/25 |
| Family | Asclepiadaceae |
| Identification | Matelea jaramilloi Morillo |
| Determined by | G. Morillo (VEN), 1992. |
| Identification qualifier | |
| Field notes | Flowers light violet. HOLOTYPE (AAU) |
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