| Collector | Holm-Nielsen, L. B. |
| Number | 2421 |
| Collected with | Jeppesen, S. & Lojtnant, B. & Ollgaard, B. |
| Country | Ecuador |
| Subpart | GUAYAS |
| County | |
| Locality | Pacoa, c. 30 km N of Santa Elena along the coast. Remnants of mangrove vegetation and adjacent road side. |
| Coordinates | 2° 6' S 80° 45' W |
| Minimum elevation (m) | 0 |
| Maximum elevation (m) | 2 |
| Start date | 1973/03/22 |
| End date | 1973/03/22 |
| Family | Zygophyllaceae |
| Identification | Kallstroemia pubescens (G. Don)Dandy |
| Determined by | Porter, M. D. (VPI), 1994. |
| Identification qualifier | |
| Field notes | Roadside, flowers pale yellow. |