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 67h. Geonoma undata subsp. tacarcunensis Henderson , subsp. nov. (Appendix IV, Plate 67) A subspeciebus aliis foveis remote sitis differt. Type: PANAMA . Darién : Parque Nacional del Darién , Panama /Colombia border, near gold mine at head waters of N branch of Río Pucuro, slopes of Cerro Tacarcuna, ca. 6 km N of Cerro Mali, 8º09’N 77º15’W , 1300–1500 m , 27 October 1987 , G. de Nevers, B. Hammel & H. Herrera 8511 ( holotype NY!, isotype MO!). Leaves veins raised and rectangular in cross-section adaxially; basal pinna 2.6(2.4–2.7) cm wide; apical pinna no data. Inflorescences prophyll margins with irregular, spine-like projections; flower pits usually spirally arranged, distantly spaced. Distribution and habitat:— At 8°09’N and 77°15’W on Cerro Tacarcuna on the Panama-Colombia border at 1612( 1400–1825 ) m elevation in montane rainforest ( Fig. 43 ).