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 dif ...

cultivar A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture ...

of unknown specific origin, generally restricted to the valleys of

Cornwall Cornwall (; kw, Kernow ) is a historic county and ceremonial county in South West England. It is recognised as one of the Celtic nations, and is the homeland of the Cornish people. Cornwall is bordered to the north and west by the Atlantic ...

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

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

and

Cornish Elm The field elm cultivar ''Ulmus minor'' 'Stricta', known as Cornish elm, was commonly found in South West England (Cornwall and West Devon), Brittany, and south-west Ireland, until the arrival of Dutch elm disease in the late 1960s. The origin o ...

.Archie Miles, ''Hidden Trees of Britain'', Ebury Press, 2007, p.17

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. 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 Dutch elm disease (DED) is caused by a member of the sac fungi (Ascomycota) affecting elm trees, and is spread by elm bark beetles. Although believed to be originally native to Asia, the disease was accidentally introduced into Americas, America ...

Cultivation

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

Gulval Gulval ( kw, Lannystli) is a village in Cornwall, England, United Kingdom. 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 subur ...

Newquay Newquay ( ; kw, Tewynblustri) is a town on the north coast in Cornwall, in the south west of England. It is a civil parish, seaside resort, regional centre for aerospace industries, spaceport and a fishing port on the North Atlantic coast of ...

, the Roseland and

St Kew St Kew ( kw, Lanndohow)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, England. The moorland and surrounding land has been protected by National Park status since 1951. Dartmoor National Park covers . The granite which forms the uplands dates from the Carboniferous P ...

. 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 a coastal village in Devon, England. It is situated in Tor Bay and lies between Torquay and Brixham, less than south of Paignton. Its beach is known as Goodrington Sands. History Goodrington is mentioned in the Domesday Book ...

; 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 and unitary authority in East Sussex, England. It consists primarily of the settlements of Brighton and Hove, alongside neighbouring villages. Often referred to synonymously as Brighton, the City of Brighton and ...

City Council, UK.

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

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 district of Lincolnshire, England, about south-west of Long Sutton. Lying in the Lincolnshire Fens, Sutton St James did not exist at the time of the 1086 ''Domesday Book''. Su ...

, Spalding,

Lincolnshire Lincolnshire (abbreviated Lincs.) is a Counties of England, county in the East Midlands of England, with a long coastline on the North Sea to the east. It borders Norfolk to the south-east, Cambridgeshire to the south, Rutland to the south-we ...

, UK. Acc. no. 1098. * Sir Harold Hillier Gardens, Romsey, UK. One specimen, Plant Centre Field. Acc. no. 2004.0088. * Wijdemeren City Council, Netherlands. Elm collection. 1 planted Slotlaan/Overmeerseweg, Nederhorst den Berg 2015.

References

External links

* ''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 di ...

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

, Devon, 1939 ( Melville) {{DEFAULTSORT:Ulmus x hollandica 'Daveyi' Dutch elm cultivar Flora of England Environment of Cornwall Ulmus articles with images Ulmus