Oreomunnea is a genus of four species of flowering plants in the family Juglandaceae. Species are native to southern Mexico, Central America, and Colombia, where they occur in montane rainforest.Manning, W. E. (1979). The Classification within the Juglandaceae. Ann. Missouri Bot. Gard. 65: 1058-1087.Germplasm Resources Information Network:

They are large trees growing to 35 m tall, with pinnate leaves with four to eight leaflets; unlike most genera in the Juglandaceae, the leaves are arranged in opposite pairs. The fruit is a small nut about 1 cm diameter, with a three-lobed wing. Especies de Costa Rica: Oreomunnea pterocarpa Neotropical Herbarium Specimens: Oreomunnea mexicana specimen

Species Four species are accepted: Oreomunnea americana Oreomunnea mexicana Oreomunnea munchiquensis Oreomunnea pterocarpa

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