''Oreomunnea'' is a genus of two species of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants t ...

s in the family

Juglandaceae The Juglandaceae are a plant family known as the walnut family. They are trees, or sometimes shrubs, in the order Fagales. Members of this family are native to the Americas, Eurasia, and Southeast Asia. The nine or ten genera in the family have ...

, native to southern

Mexico Mexico (Spanish language, Spanish: México), officially the United Mexican States, is a List of sovereign states, country in the southern portion of North America. It is borders of Mexico, bordered to the north by the United States; to the so ...

and

Central America Central America ( es, América Central or ) is a subregion of the Americas. Its boundaries are defined as bordering the United States to the north, Colombia to the south, the Caribbean Sea to the east, and the Pacific Ocean to the west. ...

, where they occur in montane

rainforest Rainforests are characterized by a closed and continuous tree canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforest can be classified as tropical rainforest or temperate rainfores ...

.Manning, W. E. (1979). The Classification within the Juglandaceae. ''Ann. Missouri Bot. Gard''. 65: 1058-1087.Germplasm Resources Information Network
''Oreomunnea''
/ref> They are large

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are ...

s 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 In botany, a fruit is the seed-bearing structure in flowering plants that is formed from the ovary after flowering. Fruits are the means by which flowering plants (also known as angiosperms) disseminate their seeds. Edible fruits in partic ...

is a small nut about 1 cm diameter, with a three-lobed wing.Neotropical Herbarium Specimens
''Oreomunnea mexicana'' specimen
;Species * '' Oreomunnea mexicana'' (Standl.) J.-F.Leroy * '' Oreomunnea pterocarpa'' Oerst.

References

{{Taxonbar, from=Q143919 Engelhardioideae Fagales genera Taxonomy articles created by Polbot