Ulmus × hollandica 'Daveyi'

Ulmus × hollandica
Davey Elm, Trenance Farm, Cornwall
Details
Hybrid parentage	U. glabra × U. minor
Cultivar	'Daveyi'
Origin	England

The Davey Elm Ulmus × hollandica 'Daveyi' is an English cultivar of unknown origin, generally restricted to the valleys of Cornwall. Its apparent South-West England provenance, along with its foliage and habit, suggest that it may be a hybrid between wych elm and Cornish elm.^[1][2]

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.^[3][4] Photographs often show this tree in its windswept coastal form; inland its shape resembles more closely its U. glabra parent, though with a denser crown.^[5]

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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, Newquay, the Roseland and St Kew in Cornwall.^[6] The UK Champion Tree stands at Goodrington which, when last measured in 2004, was 22 m high and 100 cm d.b.h..^[7] Other fine specimens can be found at Trenance Farm, St Newlyn East, Newquay. The tree is not known to have been introduced to North America or Australasia.

Synonymy

• Ulmus major var. daveyi Henry, Elwes, H. J. & Henry, A. (1913). The Trees of Great Britain & Ireland. Vol. VII. pp 1848-1929. Private publication. [3]

Etymology

The Davey Elm was named by A. Henry for Frederick Hamilton Davey (1868-1915), Cornish botanist and author of the Flora of Cornwall, first published in 1909 and reprinted in 1978.

Accessions

Europe

• Brighton & Hove City Council, UK, NCCPG Elm Collection [4]
• Sir Harold Hillier Gardens, Romsey, UK, one specimen, Plant Centre Field. Acc. no. 2004.0088.

References

1. ^ www.cornwall.gov.uk/default.aspx?page=13849
2. ^ Archie Miles, Hidden Trees of Britain, Ebury Press, 2007, p.17
3. ^ Davey, F. H. (1909). Flora of Cornwall. Reprinted 1978.
4. ^ Elwes, H. J. & Henry, A (1913). The Trees of Great Britain & Ireland. Vol. VII. pp 1848-1929. Private publication. [1]
5. ^ Cornwall County Council, What types of elms are found in Cornwall? (2010), with a photograph of Davey Elm [2]
6. ^ www.cornwall.gov.uk/default.aspx?page=13849
7. ^ Tree Register Of the British Isles.

External links

• [5] Cornwall County Council (2002). Elms in Cornwall