A revision of Geonoma (Arecaceae) Author Henderson, Andrew text Phytotaxa 2011 2011-02-18 17 1 271 journal article 24911 10.11646/phytotaxa.17.1 65962ba7-eec1-40e7-aed6-cef94e99ca39 1179-3163 3538362 12c. Geonoma concinnoidea subsp. jefensis Henderson , subsp. nov. (Appendix IV, Plate 9) A subspeciebus aliis rachide breviore et rhachillis crassis differt. Type: PANAMA . Panama : Cerro Jefe, ca. 1000 m , 25 August 1975 , S. Mori & L. Joly 7933 ( holotype MO!). Leaves rachis 15.0(9.6–22.5) cm long; apical pinna 15.0(11.4–18.5) cm long. Inflorescences rachillae 1.4(1.1– 1.7) mm in diameter. Distribution and habitat:— From 9°10’– 9°28’N and 79°16’– 79°33’W in Panama on mountains east of the Canal Zone (Cerro Azul, Cerro Brewster, Cerro Bruja, Cerro Jefe) at 895(800–1000) m elevation in lowland rainforest ( Fig. 12 ). Subspecific variation:— Most specimens from Cerro Jefe have pinnate leaves.