| Collector | Roncal, J. |
| Number | 480 |
| Collected with | Jeffrey McCoy |
| Country | Costa Rica |
| Subpart | Puntarenas |
| County | |
| Locality | Parque Nacional Piedras Blancas. Estacion Biologica La Gamba, Sendero Fila |
| Coordinates | 8° 42' 2.4'' N 83° 12' 29.2'' W |
| Minimum elevation (m) | 189 |
| Maximum elevation (m) | 0 |
| Start date | 2008/11/07 |
| End date | 2008/11/07 |
| Family | Arecaceae |
| Identification | Calyptrogyne osensis A.J.Hend. |
| Determined by | Andrew Henderson |
| Identification qualifier | |
| Field notes | Acaulescent palm with 17 leaves in crown. Peduncle 1.7 m, spike 25 cm, reddish. Black and green fruits. |
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