| Collector | Madsen, J. E. |
| Number | 36386 |
| Collected with | |
| Country | Ecuador |
| Subpart | IMBABURA |
| County | |
| Locality | Chota valley, west of Chota. Along the river. Scrub dominated by thorny shrubs and cacti. |
| Coordinates | 0° 29' N 78° 4' W |
| Minimum elevation (m) | 1300 |
| Maximum elevation (m) | 1300 |
| Start date | 1981/10/28 |
| End date | 1981/10/28 |
| Family | Asteraceae |
| Identification | Tessaria integrifolia Ruiz & Pavon |
| Determined by | H. Robinson |
| Identification qualifier | |
| Field notes | Bush, about 3 m tall. Sepals grey white. Petals lilac. |