| Collector | Antonio, T. |
| Number | 903 |
| Collected with | |
| Country | Costa Rica |
| Subpart | |
| County | |
| Locality | Steep slopes with open forest and many epiphytes between 7 & 12 km south of the bridge over the Rio Grande de Orosi at Tapanti. Cartago Province |
| Coordinates | 9° 42' N 83° 47' W |
| Minimum elevation (m) | 1400 |
| Maximum elevation (m) | 1600 |
| Start date | 1978/12/02 |
| End date | 1978/12/02 |
| Family | Rubiaceae |
| Identification | Sommera donnell-smithii Standl. |
| Determined by | |
| Identification qualifier | |
| Field notes | Tree ca 4 m tall, growing near the forest edge. Calyx green, petals white; fruit green. Near the bridge at 1200 m elevation |