Elm

:{{otheruses}}

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Elms are deciduous trees of the genus Ulmus, family Ulmaceae. They have alternate, simple, single- or doubly-serrate leaves, usually with asymmetric bases, often rough with fine bristles. The fruit is a round samara.

Related Topics:
Deciduous - Tree - Ulmaceae - Samara

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There are between 20 to 45 species of elm; the ambiguity in the number is a result of difficult species delimitations in elms, due to the ease of hybridisation between them and the development of local seed-sterile vegetatively-propagated microspecies in some areas, mainly in the field elm group.

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