Oreomunnea is a genus of two species of flowering plant

Flowering plant

The flowering plants , also known as Angiospermae or Magnoliophyta, are the most diverse group of land plants. Angiosperms are seed-producing plants like the gymnosperms and can be distinguished from the gymnosperms by a series of synapomorphies...

s in the family Juglandaceae

Juglandaceae

The Juglandaceae, also known as the Walnut Family, is a family of trees, or sometimes shrubs, in the order Fagales. Various members of this family are native to the Americas, Eurasia, and Southeast Asia....

, native to southern Mexico

Mexico

The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

 and Central America

Central America

Central America is the central geographic region of the Americas. It is the southernmost, isthmian portion of the North American continent, which connects with South America on the southeast. When considered part of the unified continental model, it is considered a subcontinent...

, where they occur in montane rainforest

Rainforest

Rainforests are forests characterized by high rainfall, with definitions based on a minimum normal annual rainfall of 1750-2000 mm...

.

They are large tree

Tree

A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...

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

Fruit

In broad terms, a fruit is a structure of a plant that contains its seeds.The term has different meanings dependent on context. In non-technical usage, such as food preparation, fruit normally means the fleshy seed-associated structures of certain plants that are sweet and edible in the raw state,...

 is a small nut

Nut (fruit)

A nut is a hard-shelled fruit of some plants having an indehiscent seed. While a wide variety of dried seeds and fruits are called nuts in English, only a certain number of them are considered by biologists to be true nuts...

 about 1 cm diameter, with a three-lobed wing.

Species

• Oreomunnea mexicana
  Oreomunnea mexicana
  Oreomunnea mexicana is a species of plant in the family Juglandaceae, which grows in the tropical rain forests of Mexico, Guatemala, Nicaragua, Costa Rica, and Panama at altitudes from 1–1.7 km. Common names include Guayabo amarillo and Remiendo. The chromosome number is...
  
  (Standl.) J.-F.Leroy
• Oreomunnea pterocarpa
  Oreomunnea pterocarpa
  Oreomunnea pterocarpa, known locally as gavilán or gavilán blanco is a species of Oreomunnea in the family Juglandaceae. It is found in Costa Rica, southeastern Mexico , and Panama ....
  
  Oerst.