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*Ulmus* 'Hillieri'
Ulmus 'Hillieri'
	'Hillieri' in Stanmer Park Arboretum, Brighton, summer, c.2005
Genus	Ulmus
Cultivar	'Hillieri'
Origin	Winchester, England

The elm cultivar Ulmus 'Hillieri' arose from a chance seedling at Hillier's Pitt Corner nursery near Winchester, England, in 1918,^[1] and was marketed from 1928 as Ulmus hillieri,^[2] a name accepted by Christine Buisman in her 1931 labelling of a specimen in France. Since at least 1944 the tree has been determined a form of Ulmus × hollandica, its designation at Kew Gardens, in Green,^[3] and in later Hillier catalogues.^[4] In 1940, 'Hillieri' was noted as being a hybrid of uncertain origin.^[5] Krüssmann notes that for a time the tree was listed by Hilliers as U. × hillieri.^[6]

Not to be confused with Ulmus 'Jacqueline Hillier', which also has a shrubby habit but much smaller leaves.

Description

'Hillieri' is a graceful, compact, slow-growing miniature tree rarely > 1.2 m in height,^{[note 1]} widely branched and bearing weeping branches.^[6] The small leaves (5 – 7 cm by 2.5 – 3 cm^[7]) turn crimson and yellow in favourable autumns,^[1] a feature of at least one Japanese Elm cultivar, 'Jacan'. The 'vivid scarlet' of the autumn leaves was noted (1940) as being a unique colouring for elms.^[5]

'Hillieri' in Stanmer Park Arboretum, spring
Fruit of same

Pests and diseases

The degree of the tree's susceptibility to Dutch elm disease (DED) is unknown. It has been noted that shrub-elms are usually less prone to infection.^[8]

Cultivation

A specimen stood in the Arboretum national des Barres, Nogent-sur-Vernisson, France, in the 1930s.^[7] 'Hillier' was introduced to the US in 1954 as Ulmus hillieri.^[9] An old low shrub-elm in Stanmer Park Arboretum, Brighton (2018, now storm-damaged), planted in the winter of 1965-6, with level rather than pendulous branching and leaves closely matching 'Hillieri' herbarium specimens in Kew Herbarium^[10] and the Arboretum national des Barres,^[7] was said (2018) by Hillier Nurseries, who supplied many elms to the arboretum, to be 'Hillieri',^[11] though it is about 4 m tall and lacks crimson autumn colour. Dutch authorities who examined the tree in 2010 conjectured Japanese Elm hybrid.^[12]

A tree cultivated in Denmark as Ulmus × hollandica 'Hillieri' or Dukke-elm (:Doll's elm) appears from photographs to be U. 'Jacqueline Hillier'.^[13] A tree in the Arboretum Volčji Potok, Slovenia, labelled Ulmus × hollandica 'Hillieri', has leaves much smaller than those of 'Hillieri', and may be a form of dwarf Ulmus parvifolia.^[14]^[15]

Synonymy

Ulmus hillieri Hort.: Hillier & Sons, Winchester, England. Cat. 38T, p. 52, 1928.

Notes

^ The 2002 edition of The Hillier Manual of Trees and Shrubs misprints as "usually less than 12 m high" (p.369).

References

^ ^a ^b Hilliers' Manual of Trees & Shrubs. (1977). David & Charles, Newton Abbot, UK.
^ Hillier & Sons, Cat. 38T, p.52, 1928 (Winchester)
^ Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8). Arnold Arboretum, Harvard University: 41–80. Retrieved 16 February 2017.
^ Terrier, C. (1944). "La maladie des ormeaux" (PDF). Bulletin de la Murithienne. 62: 71–84. Retrieved 11 October 2018.
^ ^a ^b Weaver, Sidney (1940). "Correspondence". Gardeners' Chronicle. 108: 44. Retrieved 12 October 2018.
^ ^a ^b Krüssmann, Gerd (1986). Manual of cultivated broad-leaved trees & shrubs. Vol. 3. p. 410.
^ ^a ^b ^c "Herbarium specimen - L.1587100". Botany catalogues. Naturalis Biodiversity Center. Sheet described as Ulmus hillieri, Arboretum national des Barres specimen, Nogent-sur-Vernisson (1931)
^ Rafaël Govaerts, Kris Michielsen and Eike Jablonski, 'Untraced weeping broadleaf cultivars: an overview', dendrology.lu
^ Plant Inventory No. 162. 213985
^ Kew Plants of the World Online: ' Ulmus × hollandica Mill. Images'; Kew herbarium specimen of Ulmus × hollandica Mill. cv. 'Hillieri': Image 4 of 52; ID:1128161; powo.science.kew.org
^ Correspondence from Hillier Nurseries Limited, October 2018.
^ Correspondence from Holland, October 2018.
^ Lønbæk Planteskole, Holstebro, Denmark; loenbaek.dk [1]
^ Arboretum Volčji Potok, tree photo
^ Arboretum Volčji Potok, leaves photo

[7] The 2002 edition of The Hillier Manual of Trees and Shrubs misprints as "usually less than 12 m high" (p.369).

[Hilliers'-1] Hilliers' Manual of Trees & Shrubs. (1977). David & Charles, Newton Abbot, UK.

[2] Hillier & Sons, Cat. 38T, p.52, 1928 (Winchester)

[3] Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8). Arnold Arboretum, Harvard University: 41–80. Retrieved 16 February 2017.

[Terrier1944-4] Terrier, C. (1944). "La maladie des ormeaux" (PDF). Bulletin de la Murithienne. 62: 71–84. Retrieved 11 October 2018.

[Weaver1940-5] Weaver, Sidney (1940). "Correspondence". Gardeners' Chronicle. 108: 44. Retrieved 12 October 2018.

[Krüssmann1986p410-6] Krüssmann, Gerd (1986). Manual of cultivated broad-leaved trees & shrubs. Vol. 3. p. 410.

[BarresHillier-8] "Herbarium specimen - L.1587100". Botany catalogues. Naturalis Biodiversity Center. Sheet described as Ulmus hillieri, Arboretum national des Barres specimen, Nogent-sur-Vernisson (1931)

[9] Rafaël Govaerts, Kris Michielsen and Eike Jablonski, 'Untraced weeping broadleaf cultivars: an overview', dendrology.lu

[inventory162-10] Plant Inventory No. 162. 213985

[11] Kew Plants of the World Online: ' Ulmus × hollandica Mill. Images'; Kew herbarium specimen of Ulmus × hollandica Mill. cv. 'Hillieri': Image 4 of 52; ID:1128161; powo.science.kew.org

[12] Correspondence from Hillier Nurseries Limited, October 2018.

[13] Correspondence from Holland, October 2018.

[14] Lønbæk Planteskole, Holstebro, Denmark; loenbaek.dk [1]

[15] Arboretum Volčji Potok, tree photo

[16] Arboretum Volčji Potok, leaves photo

[1]

[2]

[3]

[4]

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[note 1]

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PROFILPELAJAR.COM

Ulmus 'Hillieri'

Description

Pests and diseases

Cultivation

Synonymy

Notes

References

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