| Collector | Lojtnant, B. |
| Number | 11540 |
| Collected with | Molau, U. |
| Country | Ecuador |
| Subpart | TUNGURAHUA |
| County | |
| Locality | Ambato - Baños road, c. 5 km W of Baños. Xerophytic scrub dominated by Puya. |
| Coordinates | 1° 24' S 78° 27' W |
| Minimum elevation (m) | 2000 |
| Maximum elevation (m) | 2000 |
| Start date | 1979/03/29 |
| End date | 1979/03/29 |
| Family | Rubiaceae |
| Identification | Arcytophyllum thymifolium (R. & P. )Standley |
| Determined by | B. Ollgaard, 1983 |
| Identification qualifier | |
| Field notes | Shrub, 0.5-1 m high. Corolla white, reddish in bud- stage. Common. |