| Collector | Holm-Nielsen, L. B. |
| Number | 29453A |
| Collected with | Jaramillo, J. & Coello, F. |
| Country | Ecuador |
| Subpart | MORONA-SANTIAGO |
| County | |
| Locality | Páramo de Matanga, km 38 on road Sigsig - Gualaquiza (old muletrack) E of the pass. Deep ravine with scrub. |
| Coordinates | 3° 12' S 78° 47' W |
| Minimum elevation (m) | 3150 |
| Maximum elevation (m) | 3150 |
| Start date | 1980/12/14 |
| End date | 1980/12/14 |
| Family | Rubiaceae |
| Identification | Arcytophyllum filiforme (R. & P.)Standley |
| Determined by | P. Mena, 1986 |
| Identification qualifier | |
| Field notes | In cushions. Flowers violet. |