| Collector | Roncal, J. |
| Number | 493 |
| Collected with | Jeffrey McCoy |
| Country | Costa Rica |
| Subpart | San Jose |
| County | |
| Locality | San Marcos de Tarrazu, on road to Napoles |
| Coordinates | 9° 37' 9.1'' N 84° 4' 27.7'' W |
| Minimum elevation (m) | 1823 |
| Maximum elevation (m) | 0 |
| Start date | 2008/11/09 |
| End date | 2008/11/09 |
| Family | Arecaceae |
| Identification | Geonoma monospatha De Nevers |
| Determined by | Andrew Henderson |
| Identification qualifier | |
| Field notes | Cespitose palm with 4 stems. One stem is 98 cm long, 0.7 cm dbh, and with 10 leaves in crown. Leaves with 3 pinnae per side. |