| Collector | Holm-Nielsen, L. B. |
| Number | 23105 |
| Collected with | Jaramillo, J. & Bravo, E. |
| Country | Ecuador |
| Subpart | BOLIVAR |
| County | |
| Locality | Road Guaranda - Catarama, just above Santa Fe. Semidry montane forest with Oreocallis, Fuchsia, and Siphocampylus giganteus. |
| Coordinates | 1° 35' S 79° 3' W |
| Minimum elevation (m) | 3100 |
| Maximum elevation (m) | 3100 |
| Start date | 1980/04/22 |
| End date | 1980/04/22 |
| Family | Rubiaceae |
| Identification | Arcytophyllum thymifolium (R. & P. )Standley |
| Determined by | P. Mena, 1986 |
| Identification qualifier | |
| Field notes | Petals white, slightly reddish tinged. |