| Collector | Holm-Nielsen, L. B. |
| Number | 23622A |
| Collected with | Balslev, H. |
| Country | Ecuador |
| Subpart | PICHINCHA |
| County | |
| Locality | Cayambe - Olmedo road, at km 7. Roadside with shrubs on low walls, grasses and rushes in seepage along ditch. |
| Coordinates | 0° 6' N 78° 6' W |
| Minimum elevation (m) | 2900 |
| Maximum elevation (m) | 2900 |
| Start date | 1980/05/20 |
| End date | 1980/05/20 |
| Family | Rubiaceae |
| Identification | Arcytophyllum thymifolium (R. & P. )Standley |
| Determined by | P. Mena, 1986 |
| Identification qualifier | |
| Field notes | Shrub, 0.3 m. Flowers white. |