The Davey Elm, ''Ulmus × hollandica'' 'Daveyi', is an English

hybrid Hybrid may refer to: Science * Hybrid (biology), an offspring resulting from cross-breeding ** Hybrid grape, grape varieties produced by cross-breeding two ''Vitis'' species ** Hybridity, the property of a hybrid plant which is a union of two diff ...

cultivar A cultivar is a kind of Horticulture, cultivated plant that people have selected for desired phenotypic trait, traits and which retains those traits when Plant propagation, propagated. Methods used to propagate cultivars include division, root a ...

of unknown specific origin, generally restricted to the valleys of

Cornwall Cornwall (; or ) is a Ceremonial counties of England, ceremonial county in South West England. It is also one of the Celtic nations and the homeland of the Cornish people. The county is bordered by the Atlantic Ocean to the north and west, ...

. Its apparent south-west England provenance, along with its foliage and habit, suggest that it may be a

Wych Elm ''Ulmus glabra'', the wych elm or Scots elm, has the widest range of the European elm species, from Ireland eastwards to the Ural Mountains, and from the Arctic Circle south to the mountains of the Peloponnese and Sicily, where the species reac ...

and Cornish Elm.

Description

The wide-spreading, irregular branches support pendulous branchlets. The leaves are comparatively small, rarely exceeding 6 cm in length by 5 cm wide, with a glabrous upper surface. ''Ulmus major'' var. ''daveyi'' Henry (Kew, 1938); Sheet labelled ''U. glabra'' x ''U. stricta'',

Wembury Wembury is a village on the south coast of Devon, England, very close to Plymouth Sound. Wembury is located south of Plymouth. Wembury is also the name of the peninsula in which the village is situated. The village lies in the administrative dis ...

Valley, Devon, 1939 ( Melville); Sheet labelled ''U. glabra'' x ''U. stricta'',

, Devon, 1939 ( Melville) Photographs often show this tree in its windswept coastal form; inland its shape resembles more closely its putative Wych Elm parent, though with a denser crown. Image: SHHGDaveyi leaves.JPG Image: Davey Elm seed.JPG

Pests and diseases

The tree is susceptible to Dutch elm disease.

Cultivation

A number of mature specimens are known to survive in south-west England, notably around

Gulval Gulval () is a village in the civil parish of Penzance, in Cornwall, England. Although historically a parish in its own right, Gulval was incorporated into the parishes of Ludgvan, Madron and Penzance in 1934, and is now considered to be a sub ...

Newquay Newquay ( ; ) is a town on the north coast in Cornwall, England, United Kingdom. It is a civil parishes in England, civil parish, seaside resort, regional centre for aerospace industries with an airport and a spaceport, and a fishing port on t ...

, the Roseland and

St Kew St Kew ()Place-names in the Standard Written Form (SWF)

in Cornwall.Tree Register Of the British Isles. The tree is not known to have been introduced to North America or Australasia, and is not in commerce in the UK.

Notable trees

The UK TROBI Champion grows in the grounds of

Holne Holne is a village and civil parish on the southeastern slopes of Dartmoor in Devon, England. A community has existed here since at least the 11th century, and today a population of around 250 people is served by a church and a public house, the ...

Park House on the southern edge of

Dartmoor Dartmoor is an upland area in southern Devon, South West England. The moorland and surrounding land has been protected by National Park status since 1951. Dartmoor National Park covers . The granite that forms the uplands dates from the Carb ...

. Discovered in 2017, it measured 30 m tall by 172 cm d.b.h. Another large tree grows in woodland behind Lancaster Avenue at

Goodrington Goodrington is an area of Paignton in Devon, England. It is situated in Tor Bay and lies between Paignton town centre and Brixham, less than south of central Paignton. Its beach is known as Goodrington Sands. History Goodrington is mentione ...

; when last measured in 2004 it was 22 m high by 100 cm

d.b.h. Diameter at breast height, or DBH, is a standard method of expressing the diameter of the trunk or bole of a standing tree. DBH is one of the most common dendrometric measurements. Tree trunks are measured at the height of an adult's breast, ...

Johnson, O. (2011). ''Champion Trees of Britain & Ireland'', 169. Kew Publishing, Kew, London. . File:Ulmus x hollandica 'Daveyi'. Holne Park under Dartmoor.jpg, 'Daveyi', Holne Park under Dartmoor (2017)

Synonymy

*''Ulmus major'' var. ''daveyi'' Henry

Etymology

The Davey Elm was named by

Augustine Henry Augustine Henry (2 July 1857 – 23 March 1930) was a British-born Irish plantsman and sinologist. He is best known for sending over 15,000 dry specimens and seeds and 500 plant samples to Kew Gardens in the United Kingdom. By 1930, he was a re ...

for

Frederick Hamilton Davey Frederick Hamilton Davey (1868–1915) was a British amateur botanist who devoted most of his leisure time to the study of the flora of Cornwall, England. Born at Ponsanooth in the Kennall Vale, Cornwall to a large family of limited means, he le ...

(1868-1915), Cornish botanist and author of the ''Flora of Cornwall'', first published in 1909 and reprinted in 1978.

Accessions

Europe

Brighton & Hove Brighton and Hove ( ) is a City status in the United Kingdom, city and unitary authority area, ceremonially in East Sussex, England. There are multiple villages alongside the seaside resorts of Brighton and Hove in the district. It is administe ...

City Council, UK.

NCCPG Plant Heritage, formerly known as the National Council for the Conservation of Plants and Gardens (NCCPG), is a registered charity and a botanical conservation organisation in the United Kingdom. It was founded in 1978 to combine the talents of bot ...

Elm Collection; two trees, City Cemetery, Brighton (planted 1988). *

Grange Farm Arboretum The Grange Farm Arboretum is a small private arboretum comprising 3 hectares accommodating over 800 trees, mostly native and ornamental species or cultivars, notably oaks, ashes, walnuts and elms, growing on a calcareous loam.Ostler, J. (2009) ...

Sutton St James Sutton St James is a village and civil parish in the South Holland, Lincolnshire, South Holland district of Lincolnshire, England, about south-west of Long Sutton, Lincolnshire, Long Sutton. Lying in the Lincolnshire Fens, Sutton St James did ...

, Spalding,

Lincolnshire Lincolnshire (), abbreviated ''Lincs'', is a Ceremonial counties of England, ceremonial county in the East Midlands and Yorkshire and the Humber regions of England. It is bordered by the East Riding of Yorkshire across the Humber estuary to th ...

, UK. Acc. no. 1098. *

Sir Harold Hillier Gardens The Sir Harold Hillier Gardens is an arboretum comprising 72 hectares (180 acres) accommodating over 42,000 trees and shrubs in about 12,000 taxa, notably a collection of oaks, camellia, magnolia and rhododendron. The Gardens are located north ...

Romsey Romsey ( ) is a town in the Test Valley district of Hampshire, England. The town is situated northwest of Southampton, southwest of Winchester and southeast of Salisbury. It sits on the outskirts of the New Forest, just over northeast of ...

, UK. One specimen, Plant Centre Field. Acc. no. 2004.0088. *

Wijdemeren City Council Wijdemeren () is a municipality in the Netherlands, in the province of North Holland, on the western border of the Gooi region. Wijdemeren contains many lakes, including ''Spiegelplas'' and ''Ankeveense Plassen'' in the north(east) and ''Loosdrech ...

, Netherlands. Elm collection. 1 planted Slotlaan/Overmeerseweg, Nederhorst den Berg 2015.

References

{{DEFAULTSORT:Ulmus x hollandica 'Daveyi' Dutch elm cultivar Flora of England Environment of Cornwall Ulmus articles with images Ulmus