13b. Geonoma congesta subsp. osensis Henderson, subsp. nov. (Appendix IV, Plates 10–15)

A Geonoma congesta subsp. congesta rhachillis longioribus differt.

Type: COSTA RICA. Puntarenas: Esquinas Forest Preserve between Palmar Sur and Golfito on United Fruit Company railroad, 9 March 1953, H. Moore 6534 (holotype NY!, isotype BH!).

Inflorescences rachillae 19.1(15.0–23.0) cm long.

Distribution and habitat:— From 8°31’– 9°17’N and 83°17’– 83°46’W in the Osa Peninsula and adjacent areas on the Pacific slope in Costa Rica at 263(97–700) m elevation in lowland tropical rainforest (Fig. 13).