| Collector | Holm-Nielsen, L. B. |
| Number | 21102 |
| 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 | Euphorbiaceae |
| Identification | Acalypha stachyura Pax. |
| Determined by | Cardiel, J.M. (MA), 1999. |
| Identification qualifier | |
| Field notes | Shrub 2 m. Petals red. |