| Collector | Roncal, J. |
| Number | 489 |
| Collected with | Jeffrey McCoy |
| Country | Costa Rica |
| Subpart | San Jose |
| County | |
| Locality | San Marcos de Tarrazu, on road to Napoles |
| Coordinates | 9° 37' 11.2'' N 84° 4' 27.1'' W |
| Minimum elevation (m) | 1816 |
| Maximum elevation (m) | 0 |
| Start date | 2008/11/08 |
| End date | 2008/11/08 |
| Family | Arecaceae |
| Identification | Geonoma orbignyana Mart. |
| Determined by | Andrew Henderson |
| Identification qualifier | hoffmanniana form |
| Field notes | Stem 18 cm long, dbh 7 cm, with 15 leaves in crown. Leaves with 5-7 irregularly divided pinnae per side. Two interfoliar inflorescences. |