| Collector | Barfod, A.S. |
| Number | 41533 |
| Collected with | Blicher-Mathiesen, U. |
| Country | Ecuador |
| Subpart | IMBABURA |
| County | |
| Locality | Otavalo. Along trail leading to Laguna San Pablo from Otavalo town. Hedgerows and ditches, shrubby vegetation. |
| Coordinates | 0° 14' N 78° 13' W |
| Minimum elevation (m) | 2700 |
| Maximum elevation (m) | 2700 |
| Start date | 1983/02/12 |
| End date | 1983/02/12 |
| Family | Scrophulariaceae |
| Identification | Castilleja arvensis Schlecht. & Cham. |
| Determined by | U. Molau, 1990 (GB) |
| Identification qualifier | |
| Field notes | Herb, 25 cm. Bracts red. Flowers green. |