Credit: Nature Photographers Ltd / WTML
Leaves
Glossy, flat and smooth but leathery to the touch, and double toothed, 6–15cm in length. They have a characteristic asymmetrical base and taper to a sudden point at the top.
Elm, field (Ulmus minor)
A phoenix from the ashes, the field elm has been able to recover from the decimation of Dutch elm disease thanks to its ability to grow easily. However, it’s still under threat, along with the wildlife that relies on it.
Quick facts
Common names: field elm, smooth-leaved elm
Scientific name: Ulmus minor
Family: Ulmaceae
Origin: non-native
Mature trees grow to 30m. The bark is grey-brown, often with crossing ridges. The twigs are brown and occasionally have corky 'wings' or ridges. Field elm is an ancient introduction to the UK and a number of distinct forms are known, English elm being one of them.
Look out for: the distinctly asymmetric leaf bases which all elms have. Leaves are smooth on their top surface.
Identified in winter by: its grey-brown bark with crossing ridges.
What does field elm look like?
Credit: Zoonar GmbH / Alamy Stock Photo
Flowers
Elms are hermaphrodites, meaning that both male and female reproductive parts are contained within the same flower. Flowers, which appear in February and March, are dark pink to red and hang in tassels.
Credit: Emil Enchev / Alamy Stock Photo
Fruits
Once pollinated by wind, the flowers develop into tiny winged fruits, known as samaras. These are dispersed by wind.
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Download the appWhere to find field elm
The field elm is native to much of Europe, but not to the UK. It is somewhat resistant to Dutch elm disease which means that many specimens still exist in England, most notably in East Anglia and southern England.
Value to wildlife
Many birds eat elm seeds and the leaves provide food for the caterpillars of many moths, including the peppered, light emerald and white-spotted pinion moths. Caterpillars of the white-letter hairstreak butterfly feed on elms and the species has declined dramatically since Dutch elm disease arrived in the UK.
Mythology and symbolism
Elms used to be associated with melancholy and death, perhaps because the trees can drop dead branches without warning. Elm wood was also the preferred choice for coffins.
Uses of field elm
Elm wood is strong and durable with a tight-twisted grain, and is resistant to water. It has been used in wood turning, and to make boats and boat parts, furniture, wheel hubs, wooden water pipes, floorboards and coffins.
Did you know?
Before metal was widely available, many English towns had elm water mains, including Bristol, Reading, Exeter, Southampton, Hull and Liverpool.
Threats and conservation
Dutch elm disease
Field elm is susceptible to Dutch elm disease, a fungal disease which devastated populations of elms when it arrived in the UK in the 1960s. However, because it is better at reproducing from seed than other elm species, some of its saplings are showing signs of resistance to the disease.
This means that it is still under threat from the disease, and can be killed if it is infected. The level of resistance of Ulmus minor to Dutch elm disease varies depending on the strain of the disease and the environmental conditions.
In some cases, Ulmus minor trees have been able to survive for many years after being infected with the disease. However, in other cases, trees have died within a few years of infection.
Other pests and diseases
Elms can also be affected by galls from aphids, which migrate from fruit-cultivated trees.
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