| Collector | Holm-Nielsen, L. B. |
| Number | 21100 |
| Collected with | Jaramillo, J. & Brandbyge, J. |
| Country | Ecuador |
| Subpart | NAPO |
| County | |
| Locality | Río Aguarico, 40 km downstream from San Pablo de los Secoyas. Small island and sandbank. Riverside forest. |
| Coordinates | 0° 16' S 76° 11' W |
| Minimum elevation (m) | 230 |
| Maximum elevation (m) | 230 |
| Start date | 1980/02/14 |
| End date | 1980/02/14 |
| Family | Acanthaceae |
| Identification | Sanchezia macrocnemis (Nees) Wassh. |
| Determined by | D. Wasshausen |
| Identification qualifier | |
| Field notes | Treelet 3 m. Bracts red. Petals yellow. |
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