Ulmus
Sign in to saveElms are deciduous and semi-deciduous trees comprising the genus Ulmus in the family Ulmaceae. They are distributed over most of the Northern Hemisphere, inhabiting the temperate and tropical-montane regions of North America and Eurasia, ranging southward in Western Asia to Iran, in Africa to Libya, and in Southeast Asia into Indonesia.
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Ulmus is a genus of trees commonly known as elms, which are found throughout the Northern Hemisphere in temperate and tropical mountain regions, spanning from North America and Eurasia to parts of Western Asia, Africa, and Southeast Asia. These trees are characterized by losing their leaves seasonally or partially, making them deciduous or semi-deciduous members of the Ulmaceae family.
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Article
38 sectionsContents
- Description
- Taxonomy
- Ecology
- Propagation
- Associated organisms
- Pests and diseases
- Dutch elm disease
- Elm phloem necrosis
- Insects
- Birds
- Cultivation
- Species and species cultivars
- Hybrid cultivars
- Cautions regarding novel cultivars
- Landscaped parks
- Central Park
- National Mall
- Uses
- Wood
- Viticulture
- Medicinal products
- Fodder
- Biomass
- Food
- Alternative medicine
- Bonsai
- Genetic resource conservation
- Culture
- Notable elm trees
- In art
- In mythology and literature
- In politics
- In local history and place names
- See also
- References
- Monographs
- Further reading
- External links
Elms are deciduous and semi-deciduous trees comprising the genus Ulmus in the family Ulmaceae. They are distributed over most of the Northern Hemisphere, inhabiting the temperate and tropical-montane regions of North America and Eurasia, ranging southward in Western Asia to Iran, in Africa to Libya, and in Southeast Asia into Indonesia.
Elms are components of many kinds of natural forests. Moreover, during the 19th and early 20th centuries, many species and cultivars were also planted as ornamental street, garden, and park trees in Europe, North America, and parts of the Southern Hemisphere, notably Australasia. Some individual elms reached great size and age. However, in recent decades, most mature elms of European or North American origin have died from Dutch elm disease, caused by a microfungus dispersed by bark beetles. In response, disease-resistant cultivars have been developed, capable of restoring the elm to forestry and landscaping.