| Collector | Kvist, L. P. |
| Number | 40857 |
| Collected with | Asanza, E. |
| Country | Ecuador |
| Subpart | ESMERALDAS |
| County | |
| Locality | Río Cayapa. Zapallo Grande. 1 km. upriver the village a trail on the left bank was followed into the forest. The trail rise steeply. Disturbed and primary forest. |
| Coordinates | 0° 48' N 78° 55' W |
| Minimum elevation (m) | 150 |
| Maximum elevation (m) | 150 |
| Start date | 1982/08/03 |
| End date | 1982/08/03 |
| Family | Chenopodiaceae |
| Identification | Chenopodium ambrosioides L. |
| Determined by | |
| Identification qualifier | |
| Field notes | Herb, 40 cm. Cultivated near houses of blacks. Flowers white. Nom. Vern.: Paico tape (Cayapa); Use: For pains in the stomach and headache. Prep.: The plant is boiled and the decoction is drunk. |