Geonoma deversa subsp. peninsularis Henderson, 2011

Henderson, Andrew, 2011, A revision of Geonoma (Arecaceae), Phytotaxa 17, pp. 1-271 : 65

16c. Geonoma deversa subsp. peninsularis Henderson , subsp. nov. (Appendix IV, Plate 26)

A Geonoma deversa subsp. deversa rachide longiore atque pedunculo latiore differt.

Type: COSTA RICA. Puntarenas: Reserva Forestal Golfo Dulce, Cantón de Osa, Rancho Quemado, ca. 15 km W of Rincón, 8°42’N, 83°33’W, 250 m, 6 June 1992, A. Henderson, G. Galeano & B. Hammel 1817 (holotype CR!, isotype NY!).

Leaf rachis 64.5(46.5–85.0) cm long. Inflorescences peduncles 6.9(4.6–9.0) mm in diameter; rachillae 1.8(1.1–2.6) mm in diameter.

Distribution and habitat:— From 8°27’– 8°58’N and 83°14’– 83°40’W in the Osa Peninsula and adjacent areas of Costa Rica at 287(65–744) m elevation in lowland rainforest ( Fig. 16 ).

There is a sympatric population of subsp. deversa occurring just to the northeast of the Osa Peninsula.

Figures

FIGURE 16. Distribution maps of Geonoma deversa subsp. deversa, G. deversa subsp. belizensis, G. deversa subsp. peninsularis, and G. deversa subsp. quadriflora.