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).