49b. Geonoma pinnatifrons subsp. binervia (Orsted) Henderson, comb. & stat. nov.

Basionym: Geonoma binervia Ørsted (1859: 33) . Type: NICARAGUA. Río San Juan: Río San Juan, 1845–1848, A. Ørsted 6564 (holotype C!).

Leaf pinnae 12(3–19) per side of rachis. Inflorescences peduncular bracts inserted 2.5(0.9–4.7) cm above the prophyll; peduncles 18.0(10.0–38.0) cm long, 13.0(9.3–20.2) mm in diameter; rachillae 15.7(8.7–28.3) cm long, 2.3(1.7–3.4) mm in diameter; fruits 4.3(3.7–5.1) mm in diameter.

Distribution and habitat:— From 7°19’– 16°04’N and 77°05’– 90°15’W in eastern Panama and adjacent Colombia with outliers in western Panama, Costa Rica, Nicaragua, and Guatemala at 282(4–725) m elevation in lowland rainforest (Fig. 31).

There is one doubtful specimen (Cook 5808), missing leaves, from the Nicoya Peninsula of Costa Rica that is included here.