49d. Geonoma pinnatifrons subsp. membranacea (Wendland ex Spruce) Henderson, comb. & stat. nov.

Basionym: Geonoma membranacea Wendland ex Spruce (1871: 106) . Type: GUATEMALA. Escuintla: Volcan de

Fuego, between San Pedro and Hacienda de Sapota, January 1857, H. Wendland 7 & 8 (holotype K!).

Leaf pinnae 6(3–8) per side of rachis. Inflorescences peduncular bracts inserted 1.4(0.9–2.0) cm above the prophyll; peduncles 16.5(13.6–18.8) cm long, 4.1(2.4–5.8) mm in diameter; rachillae 15.4(10.2–22.5) cm long, 1.9(1.4–2.4) mm in diameter; fruits 6.3(5.2–7.0) mm in diameter.

Distribution and habitat:— From 14°25’– 15°19’N and 90°03’– 92°37’W on slopes of volcanoes on the Pacific coast of Mexico and Guatemala at 1235(700–1650) m elevation in lowland to montane rainforest (Fig. 31).