| Collector | Holm-Nielsen, L. B. |
| Number | 29443 |
| Collected with | Jaramillo, J. & Coello, F. |
| Country | Ecuador |
| Subpart | MORONA-SANTIAGO |
| County | |
| Locality | Páramo de Matanga, km 36 on road Sigsig - Gualaquiza (old muletrack) E of the pass. Steep outcropping rocks. |
| Coordinates | 3° 11' S 78° 47' W |
| Minimum elevation (m) | 3350 |
| Maximum elevation (m) | 3350 |
| Start date | 1980/12/14 |
| End date | 1980/12/14 |
| Family | Rubiaceae |
| Identification | Arcytophyllum setosum (R. & P.)Schlecht. |
| Determined by | P. Mena, 1986 |
| Identification qualifier | |
| Field notes | Shrub, 0.5 m. Flowers violet. |
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