| Collector | Madsen, J. E. |
| Number | 36526 |
| Collected with | |
| Country | Ecuador |
| Subpart | TUNGURAHUA |
| County | |
| Locality | 7 km W of Ambato, along the Río Ambato. Steep, N-facing dry slope, dominated by cacti, agaves and bromeliades. |
| Coordinates | 1° 18' S 78° 41' W |
| Minimum elevation (m) | 3000 |
| Maximum elevation (m) | 3000 |
| Start date | 1981/11/04 |
| End date | 1981/11/04 |
| Family | Asteraceae |
| Identification | Tagetes terniflora H.B.K. |
| Determined by | H. Robinson |
| Identification qualifier | |
| Field notes | Herb, until 80 cm tall. Latex yellow, strong smell. Ray flowers whitish yellow. Disc flowers yellow. |