| Collector | Madsen, J. E. |
| Number | 50019 |
| Collected with | |
| Country | Ecuador |
| Subpart | CHIMBORAZO |
| County | |
| Locality | Road Guano - Riobamba, km 1 from Guano. Rocky slope with xerophytic vegetation. |
| Coordinates | 1° 38' S 78° 38' W |
| Minimum elevation (m) | 2800 |
| Maximum elevation (m) | 2800 |
| Start date | 1984/01/12 |
| End date | 1984/01/12 |
| Family | Amaranthaceae |
| Identification | Alternanthera porrigens (Jacq.) Kuntze |
| Determined by | Uno Eliasson, 1989 |
| Identification qualifier | |
| Field notes | Bush, 1 m high. Flower white. (Close to var. meaesii Eliass.). |
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