Ulmaceae

Ulmaceae is a family of flowering plants that includes the elms (genus Ulmus), and the zelkovas (genus Zelkova). The family is primarily distributed throughout the Northern Hemisphere, with a few species extending into the Southern Hemisphere in Indonesia and the Americas.

Description

Members of the Ulmaceae family are deciduous or evergreen trees or shrubs. They are characterized by alternate, simple leaves with pinnate venation and serrated margins. The flowers are small, appearing before the leaves in most species, and are usually wind-pollinated. The fruit is a samara in most genera.

Taxonomy

The Ulmaceae family is classified in the order Rosales, which also includes the rose family (Rosaceae) and the hemp family (Cannabaceae). The family is divided into about 6 genera and approximately 45 species. The largest genera are Ulmus (the elms) and Zelkova.

Genera

The following genera are included in the Ulmaceae family:

• Ulmus – elms
• Zelkova – zelkovas
• Celtis – hackberries
• Hemiptelea – elm-leaved spirea
• Holoptelea – Indian elm
• Trema – trema

Distribution and habitat

Ulmaceae species are found in a wide range of habitats, from temperate to tropical regions. They are primarily distributed throughout the Northern Hemisphere, with a few species extending into the Southern Hemisphere in Indonesia and the Americas.

Uses

Many species in the Ulmaceae family are used for timber, and the wood is often used for furniture, flooring, and firewood. Some species are also grown as ornamental trees for their attractive foliage and form.

See also

• List of Ulmaceae species

References

Ulmaceae Resources
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