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Ulmus minor 'Sarniensis'

Cultivar of the field elm

Summary

Cultivar of the field elm

FieldValue
nameUlmus minor 'Sarniensis'
speciesUlmus minor
imageRN_Ulmus_minor_Sarniensis_(oud_zuid_amsterdam).JPG
image_captionGuernsey Elms, Amsterdam
cultivar'Sarniensis'
originGuernsey, or Brittany

The Field Elm cultivar Ulmus minor '**Sarniensis''*, known variously as Guernsey elm, Jersey elm, Wheatley elm, or **Southampton elm''', was first described by MacCulloch in 1815 from trees on Guernsey, and was planted in the Royal Horticultural Society's gardens in the 1820s. The origin of the tree remains obscure; Richens believed it "a mutant of a French population of Field elm", noting that "elms of similar leaf-form occur in Cotentin and in northern Brittany. They vary much in habit but some have a tendency to pyramidal growth. Whether the distinctive habit first developed on the mainland or in Guernsey is uncertain."

Melville, believing the cultivar a hybrid between Cornish elm U. minor 'Stricta' and Dutch elm Ulmus × hollandica, adopted the name U. × sarniensis (Loud.) Bancroft. Its clonal origin is (to date) suspected rather than proved, but the apparent uniformity of this taxon makes it likely to be a clone. A number of specimens in northern Britain were DNA-tested in 2013 by Forest Research, Roslin, Midlothian, and were found to be the same clone. Arguing in a 2002 paper that there was no clear distinction between species and subspecies, and suggesting that known or suspected clones of U. minor, once cultivated and named, should be treated as cultivars, Dr Max Coleman of Royal Botanic Garden Edinburgh preferred the designation '* U. minor 'Sarniensis''''.

Guernsey elm was often misnamed 'Cornish elm' in the UK by the local authorities who planted it extensively. ('Sarniensis' is known as monumentaaliep [:monumental elm] in The Netherlands.)

Description

The tree has a compact, columnar form, not dissimilar to the Lombardy Poplar. Rarely exceeding a height of 27 m, the tree has long stiff ascending branches forming a narrow pyramidal crown. Older specimens broaden round the 'waist', giving trees with a tapering crown a Chianti-flask shape. Like Cornish elm, a narrow-crowned elm from the same area, Guernsey elm is one of the last British trees to come into leaf, and it retains its dark, lustrous foliage into early winter. In favourable conditions it turns a rich golden-yellow in late November or early December. The small leaves and samarae are similar to those of the field elm group in general. Like others of the group, the tree suckers very freely, though it is often base-grafted on wych elm to prevent suckering. The tree often develops highly distinctive cancerous burls on its branches or trunk. File:Granton Parish Church - geograph.org.uk - 325687.jpg|Purplish haze of flowering Guernsey Elm, Granton, Edinburgh Image:The pathway leading through Princes Street Gardens West - geograph.org.uk - 1301247.jpg|Guernsey Elm (left centre) leafing early summer (Princes Street Gardens, Edinburgh) Image:Princes Street Gardens - geograph.org.uk - 612157.jpg|Guernsey Elms (top left), foliage still dark green in early winter (Princes Street Gardens) File:Shirley Drive - geograph.org.uk - 1555251.jpg|Guernsey Elm in late October, Shirley Drive, Hove File:Bark of Ulmus minor 'Sarniensis', Lumley Road, Skegness.jpg|Bark of 'Sarniensis' File:Ulmus minor 'Sarniensis'. Comiston Road, Edinburgh.jpg|Burl on 'Sarniensis' trunk File:Young hedge of Ulmus minor 'Sarniensis', Edinburgh.jpg|Young 'Sarniensis' spreading from suckers File:Preston Park West Ride.JPG|Guernsey elms spreading with age, Preston Park, Brighton (2005)

Pests and diseases

Guernsey elm is very susceptible to Dutch elm disease.

Cultivation

With its light, upcurving branches, Guernsey elm never became a danger, unlike English elm, which sometimes shed heavy lateral boughs. This fact, and its compact form, made it ideal for street planting. The tree was popular in Britain, where it was widely cultivated. Dutch elm disease has, however, now destroyed nearly all the mature trees in England save a few in Brighton, Bridlington, Peasholm Park, Scarborough and a single tree in Skegness. Around a hundred mature specimens still survive in Edinburgh, Scotland (2013). It was introduced to Osborne House on the Isle of Wight by Albert the Prince Consort, where it survives today as suckers along the lane leading to Barton Manor Farm. Guernsey elm was also planted in large numbers across Amsterdam, but eventually replaced by the similarly fastigiate but much more disease-resistant clone, 'Columella'.

One tree, supplied by the Späth nursery, was planted in 1897 as U. campestris sarniensis at the Dominion Arboretum, Ottawa, Canada. 'Sarniensis' was introduced to the United States, featuring in the 1904 catalogue of Frederick W. Kelsey as Ulmus Wheatlyi. In the catalogue of the Plumfield Nursery of Fremont, Nebraska, 1934, its origin was given as Holland. It was described as "a round-headed tree with small glossy leaves, [which] hybridized with American White Elm" (:Ulmus americana), a crossing that would seem unlikely given the ploidy differences. 'Sarniensis' remains in cultivation in the Morton Arboretum. The Ulmus monumentalis introduced to Australia in 1873 is thought to have been 'Sarniensis'.

Notable trees

Elwes considered the Richmond public gardens 'Wheatley', c.90 ft. tall, the finest he had seen. Among the largest surviving specimens of Guernsey elm in the UK are one in Warriston Cemetery, Edinburgh (2017), bole-girth 3 m, and the one in Preston Park, Brighton. The latter is 34 m tall with a trunk 115 cm d.b.h. (diameter at breast height) in 2006, part of a line of trees averaging 30 m in height planted circa 1880. As of June 2020, the specimen beside the cafe in Blakers Park, Brighton, has become the 'national champion', according to the National Elm Collection, following the felling of the Preston Park specimen. The tallest on record in the UK stands on Paradise Drive, Eastbourne and had a height of 36 m in 2007.

In North America, the tree lines West 10th Avenue, Vancouver, British Columbia, Canada.

File:Jersey Elm at Richmond.jpg|'Sarniensis' at Richmond, London, circa 1913 File:Ulmus minor 'Sarniensis', Lumley Road, Skegness.jpg|Surviving 'Sarniensis', Skegness, Lincolnshire (2017) File:National Champion Wheatley Elm Blakers Park June 2020.jpg|The 'national champion' Wheatley elm, as at 13 June 2020, in Blakers Park, Brighton

Etymology

The tree is named for the Channel Island of Guernsey (Sarnia was the Roman name for Guernsey), where it may have originated. A similar tree is found along the Brittany coast, referred to in several 18th and 19th century French treatises as l'Orme male owing to its phallic resemblance; it is still sometimes referred to as the male elm in Guernsey, although no mature trees survive there either. The synonym Wheatley elm was derived from a tree planted at Wheatley Park, Doncaster, where it was introduced and propagated by Sir William Cooke in the early 19th century. The earliest known use of the name Wheatley elm occurs in the 1869 catalogue of Simon-Louis, Metz. The tree was also raised in great numbers at the Rogers nursery in Southampton in the late 1800s, which probably explains the synonym Southampton elm. Although the tree is also known as the Jersey elm, its introduction from Guernsey has been clearly chronicled. Wilkinson (1978) mentions that some botanists distinguished between 'var. *wheatleyi''' and 'Jersey elm', presumably the result of slight mutations in the course of repeated propagation. File:Ulmus campestris Wheatleyi.jpg|A comparatively level-branched tree labelled 'Wheatleyi', Holland, 1912 File:Ulmus monumentalis (non Rinz) = Ulmus minor 'Sarniensis'.jpg|'Sarniensis' in Naarden, the U. monumentalis or monumentaaliep [:monumental elm] of The Netherlands File:Mitteilungen der Deutschen Dendrologischen Gesellschaft (1909) (14777859692).jpg|'Sarniensis' in Tilburg, the U. monumentalis or monumentaaliep [:monumental elm] of The Netherlands (c.1909)

Varieties

Some authorities consider 'Dickson's Golden Elm' a form of Guernsey elm. The nursery Messieurs Otin père et fils of Saint-Étienne sold an Ulmus Wheatleyi aurea pyramidalis, with leaves marbled yellow, in 1882.

Accessions

;North America

Nurseries

;North America None known. ;Europe

References

References

  1. {{BSBI 2007
  2. Howes, C. A. (2002). ''The Wheatley Elm: Is it part of Yorkshire's arboricultural heritage?'' Doncaster Museum & Art Gallery, unpublished paper.
  3. Howes, C. A.. (2007). "The Wheatley elm: A fading part of Yorkshire's arbocultural heritage?". The Naturalist.
  4. (1913). "The Trees of Great Britain & Ireland".
  5. Quayle, Thomas. (1815). "General View of the Agriculture and Present State of the Islands on the Coast of Normandy, Subject to the Crown of Great Britain". Sherwood, Neely & Jones.
  6. It was listed in the [[Loddiges]] catalogue of 1836 as ''Ulmus sarniensis'' and by [[John Claudius Loudon. Loudon]] in ''Hortus lignosus londinensis'' (1838) as ''U. campestris'' var. ''sarniensis''.[https://archive.org/stream/hortuslignosuslo00loudrich#page/92/mode/2up Loudon, J. C., ''Hortus lignosus londinensis'' (London 1838), p.92-4]
  7. Richens, R. H., ''Elm'' (Cambridge, 1983), p.54
  8. Richens, R. H., ''Elm'' (Cambridge, 1983), p.54, p.96
  9. Green, Peter Shaw. (1964). "Registration of cultivar names in Ulmus". Arnoldia.
  10. [http://beanstreesandshrubs.org/browse/ulmus/ulmus-angustifolia-west-west/ beanstreesandshrubs.org]
  11. (2013). "More on the Wheatley elm". Ecotype.
  12. Coleman M. (2002) 'British elms.' ''British Wildlife'' 13 (6): 390–395.
  13. Mitchell, A. (1996) ''The Trees of Britain'' (London)
  14. (1968). "Ulmus". Dendroflora.
  15. "Amsterdamse Iepen, bomeninfo.nl".
  16. [http://www.gahetna.nl/collectie/afbeeldingen/fotocollectie/zoeken/weergave/detail/start/0/tstart/0/q/zoekterm/ulmus Trees in The Netherlands labelled 'Monumentalis', with 'Sarniensis' to the right; Nationaal Archief, www.gahetna.nl]
  17. McClintock, D. (1975). ''The Wild Flowers of Guernsey''. Collins, London.
  18. White, J. & More, D. (2002). ''Trees of Britain & Northern Europe''. Cassell's, London.
  19. Reeves, Karen. (2012-10-05). "Edinburgh's trees with a story - Braidburn Valley Park - Wheatley Elms". The City of Edinburgh Council.
  20. [http://herbariaunited.org/specimen/308672/?image "Herbarium specimen 308672, herbariaunited.org"] Sheet labelled ''U. campestris'' var. ''Wheatleyi'', Guernsey Elm, Kew Gardens specimen, 1909, A. Ley; {{Naturalis Biodiversity Center
  21. [http://www.amsterdambomen.nl amsterdambomen.nl]{{Dead link. (April 2019)
  22. "'Sarniensis', Titiaanstraat, Amsterdam, bomeninfo.nl".
  23. (1902–1903). "Katalog". L. Späth Baumschulenweg.
  24. (1899). "Catalogue of the trees and shrubs in the arboretum and botanic gardens at the central experimental farm". Ottawa.
  25. (1904). "General catalogue, 1904 : choice hardy trees, shrubs, evergreens, roses, herbaceous plants, fruits, etc.". Frederick W. Kelsey.
  26. Moffet, L. A. ''The Plumfield Nurseries, Bulletin No. 2, March 7, 1934''. Plumfield Nurseries, Fremont, Nebraska.
  27. [http://www.cirrusimage.com/tree_Jersey_elm.htm cirrusimage.com]
  28. [https://trove.nla.gov.au/work/34926332?selectedversion=NBD9147128 Brookes, Margaret, & Barley, Richard, ''Plants listed in nursery catalogues in Victoria, 1855-1889'' (Ornamental Plant Collection Association, South Yarra, Victoria, 1992), p.303–304]
  29. [https://victoriancollections.net.au/items/604ef24d1b68728908e39ced Tree labelled ''Ulmus monumentalis'', Principal's Residence, University of Melbourne, Burnley Campus, 1919 (probably 'Sarniensis' rather than Rinz's 'Monumentalis')]
  30. "Google Maps".
  31. Chailland, M. (1769). ''Dictionnaire raisonné des eaux et forets''. Paris.
  32. (1809). "Nouveau cours complet d'agriculture théorique et pratique ou Dictionnaire raisonné et universel d'agriculture".
  33. Simon-Louis Catalogue, Metz, 1869, p. 97
  34. (1880). "Anthony Waterer's catalogue".
  35. Wilkinson, Gerald, ''Epitaph for the Elm'' (London, 1978), p.71
  36. [https://archive.org/stream/onzetuinen07unse#page/276/ ''Onze Tuinen'', December 1912]
  37. (1882). "Exposition de l'association horticole lyonnaise". Revue Horticole.
  38. "List of plants in the {elm} collection". Brighton & Hove City Council.
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