| Collector | Madsen, J. E. |
| Number | 50117 |
| Collected with | |
| Country | Ecuador |
| Subpart | PICHINCHA |
| County | |
| Locality | Road Quito - Guayllabamba, at bridge before Guayllabamba. Xerophytic Dodonea viscosa, Croton and cacti scrub. |
| Coordinates | 0° 4' S 78° 21' W |
| Minimum elevation (m) | 2100 |
| Maximum elevation (m) | 2100 |
| Start date | 1984/01/31 |
| End date | 1984/01/31 |
| Family | Amaranthaceae |
| Identification | Alternanthera porrigens (Jacq.) Kuntze |
| Determined by | Uno Eliasson, 1989 |
| Identification qualifier | |
| Field notes | Bush, 50 cm high. Flower rosa. (var. mearsii Eliass.) |