Ulmus 'Horizontalis'
Encyclopedia
The Weeping Wych Elm, also known as the Horizontal Elm Ulmus glabra 'Horizontalis' is an elm cultivar
Cultivar
A cultivar'Cultivar has two meanings as explained under Formal definition. When used in reference to a taxon, the word does not apply to an individual plant but to all those plants sharing the unique characteristics that define the cultivar. is a plant or group of plants selected for desirable...

 discovered in a Perth
Perth, Scotland
Perth is a town and former city and royal burgh in central Scotland. Located on the banks of the River Tay, it is the administrative centre of Perth and Kinross council area and the historic county town of Perthshire...

 nursery circa 1816. The tree was originally identified as 'Pendula' by Loddiges
Loddiges
The Loddiges family managed one of the most notable of the eighteenth and nineteenth century plant nurseries that traded in and introduced exotic plants, trees, shrubs, ferns, palms and orchids into European gardens....

 (London), in his catalogue of 1836, a name adopted by Loudon
John Claudius Loudon
John Claudius Loudon was a Scottish botanist, garden and cemetery designer, author and garden magazine editor.-Background:...

 two years later in Arb. Frut. Brit 3: 1398, but later sunk as a synonym for 'Horizontalis'.

Description

'Horizontalis' has branches that extend out horizontally with weeping branchlets. It is usually grafted onto a tall understock of Ulmus glabra to effectively display its weeping habit. The tree can eventually grow to a height of 20 metres with a similar spread. It can be distinguished from the related Camperdown Elm
Camperdown Elm
The Camperdown Elm Ulmus glabra Camperdownii is a cultivar which cannot reproduce from seed. Although still classed as a cultivar of U. glabra, the tree was considered a nothomorph of U. × hollandica var. vegeta by Green , not U...

 by its more spreading and flattened canopy and much larger mature size, although its shape does vary widely, as noted by Loudon
John Claudius Loudon
John Claudius Loudon was a Scottish botanist, garden and cemetery designer, author and garden magazine editor.-Background:...

: "A beautiful...tree generally growing to one side, spreading its branches out in a fan-like manner...sometimes horizontally and at other times almost perpendicularly downwards so that the head of the tree exhibits great variety of shape".

Pests and diseases

'Horizontalis' is not known to be any less susceptible to Dutch elm disease
Dutch elm disease
Dutch elm disease is a disease caused by a member of the sac fungi category, affecting elm trees which is spread by the elm bark beetle. Although believed to be originally native to Asia, the disease has been accidentally introduced into America and Europe, where it has devastated native...

 than the species.

Cultivation

The cultivar was first distributed in Germany by Booth of Hamburg
Hamburg
-History:The first historic name for the city was, according to Claudius Ptolemy's reports, Treva.But the city takes its modern name, Hamburg, from the first permanent building on the site, a castle whose construction was ordered by the Emperor Charlemagne in AD 808...

, who bought the entire Perth stock. It was also known to have been marketed in Poland in the 19th century by the Ulrich nursery. Warsaw
Warsaw
Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

. Introduced to North America, the cultivar can be also be found in a number of public gardens in Victoria
Victoria (Australia)
Victoria is the second most populous state in Australia. Geographically the smallest mainland state, Victoria is bordered by New South Wales, South Australia, and Tasmania on Boundary Islet to the north, west and south respectively....

, Australia. A row of four mature trees exists in London along Cheyne Walk
Cheyne Walk
Cheyne Walk , is a historic street in Chelsea, the Royal Borough of Kensington and Chelsea. It takes its name from William Lord Cheyne who owned the manor of Chelsea until 1712. Most of the houses were built in the early 18th century. Before the construction in the 19th century of the busy...

, Chelsea
Chelsea, London
Chelsea is an area of West London, England, bounded to the south by the River Thames, where its frontage runs from Chelsea Bridge along the Chelsea Embankment, Cheyne Walk, Lots Road and Chelsea Harbour. Its eastern boundary was once defined by the River Westbourne, which is now in a pipe above...

.

Synonymy

  • 'Tabletop Elm': Anon.
  • Ulmus glabra 'Pendula' Anon.
  • Ulmus montana (: glabra) var. decumbens: Masters, Hortus Duroverni, 67, 1831, name in synonymy.
  • Ulmus montana (: glabra) var. pendula. Loddiges
    Loddiges
    The Loddiges family managed one of the most notable of the eighteenth and nineteenth century plant nurseries that traded in and introduced exotic plants, trees, shrubs, ferns, palms and orchids into European gardens....

    , (Hackney
    Hackney Central
    Hackney Central is the central district of the London Borough of Hackney in London, England. It comprises the area roughly surrounding, and extending north from Mare Street. It is situated north east of Charing Cross...

    , London
    London
    London is the capital city of :England and the :United Kingdom, the largest metropolitan area in the United Kingdom, and the largest urban zone in the European Union by most measures. Located on the River Thames, London has been a major settlement for two millennia, its history going back to its...

    ), Catalogue 1836, and Loudon
    John Claudius Loudon
    John Claudius Loudon was a Scottish botanist, garden and cemetery designer, author and garden magazine editor.-Background:...

    , Arb. Frut. Brit. 3: 1398, 1838, also by Krüssmann in Parey Blumengartn. ed. 2, 1: 519, 1958, as a cultivar.
  • Ulmus montana (: glabra) 'Parasol': Koch
    Karl Koch (botanist)
    Karl Heinrich Emil Koch was a German botanist. He is best known for his botanical explorations in the Caucasus region, including northeast Turkey. Unfortunately, most of his collections have today been lost. He is also known as the first professional horticultural officer in...

    , Dendr. 2 (1): 417, 1872, name in synonymy.
  • Ulmus pendulina: Sinclair
    George Sinclair (horticulturist)
    -Biography:George Sinclair was born at Mellerstain in Berwickshire, where his father was gardener to the Hon. George Baillie of Jerviswood, and was baptised in the parish church of Earlston on 25 November 1787. He was the youngest of seven children born to Duncan Sinclair and Christian Tait...

    , in Donn
    James Donn
    James Donn was an English botanist. He was Curator of the Cambridge University Botanic Gardens, Cambridge, from 1790 until his death. His most important work was Hortus Cantabrigensis, first published in 1796 but with several later, much expanded, editions.A grandson was the English composer...

    , Hortus Cantabrigensis ed. 12. 110, 1831, but without description.

Accessions

North America
  • Dawes Arboretum
    Dawes Arboretum
    The Dawes Arboretum is a non-profit arboretum located outside of Columbus in Newark, Ohio. As one of the premier public gardens in North America, The Dawes Arboretum has over of plant collections, gardens and natural areas...

     http://www.dawesarb.org/collectionsgardens/plant-search.asp, Newark, Ohio
    Newark, Ohio
    In addition, the remains of a road leading south from the Octagon have been documented and explored. It was first surveyed in the 19th century, when its walls were more apparent. Called the Great Hopewell Road, it may extend to the Hopewell complex at Chillicothe, Ohio...

    . 2 trees, no acc. details available.
  • Holden Arboretum
    Holden Arboretum
    The Holden Arboretum, in Kirtland, Ohio, USA, is one of the largest arboretums and botanical gardens in the United States, with over 3,500 acres , 600 acres of which are devoted to collections and gardens. Diverse natural areas and ecologically sensitive habitats make up the rest of the holdings...

    . Acc. no. 55-1033 (as U. glabra 'Pendula').
  • Morris Arboretum
    Morris Arboretum
    The Morris Arboretum of the University of Pennsylvania is the official arboretum of the Commonwealth of Pennsylvania. It is located at 100 East Northwestern Avenue, Chestnut Hill, Philadelphia, Pennsylvania...

     http://www.business-services.upenn.edu/arboretum/living2.html, University of Pennsylvania
    University of Pennsylvania
    The University of Pennsylvania is a private, Ivy League university located in Philadelphia, Pennsylvania, United States. Penn is the fourth-oldest institution of higher education in the United States,Penn is the fourth-oldest using the founding dates claimed by each institution...

    . Acc. no. 56-239-A

Europe
  • Arboretum de La Petite Loiterie
    Arboretum de la Petite Loiterie
    The Arboretum de la Petite Loiterie is a young arboretum located in Le Sentier, Monthodon, Indre-et-Loire, Centre, France. It is open a few days per month; an admission fee is charged....

     http://lapetiteloiterie.free.fr/html/presentation/especes.html, Monthodon
    Monthodon
    Monthodon is a commune in the Indre-et-Loire department in central France....

    , France. No details available
  • Brighton & Hove
    Brighton & Hove
    Brighton and Hove is a unitary authority area and city on the south coast of England. It is England's most populous seaside resort.In 1997 Brighton and Hove were joined to form the unitary authority of Brighton and Hove, which was granted city status by Queen Elizabeth II as part of the millennium...

     City Council, UK, NCCPG elm collection http://www.brighton-hove.gov.uk/index.cfm?request=c1108042. Several trees, largest in Royal Pavilion
    Royal Pavilion
    The Royal Pavilion is a former royal residence located in Brighton, England. It was built in three campaigns, beginning in 1787, as a seaside retreat for George, Prince of Wales, from 1811 Prince Regent. It is often referred to as the Brighton Pavilion...

     Grounds.
  • Dubrava Arboretum, Lithuania
    Lithuania
    Lithuania , officially the Republic of Lithuania is a country in Northern Europe, the biggest of the three Baltic states. It is situated along the southeastern shore of the Baltic Sea, whereby to the west lie Sweden and Denmark...

    . No details available.
  • Glen Mooar, Isle of Man
    Isle of Man
    The Isle of Man , otherwise known simply as Mann , is a self-governing British Crown Dependency, located in the Irish Sea between the islands of Great Britain and Ireland, within the British Isles. The head of state is Queen Elizabeth II, who holds the title of Lord of Mann. The Lord of Mann is...

    , UK, One tree, no details available
  • Hortus Botanicus Nationalis, Salaspils
    Salaspils
    Salaspils is a town in Latvia, the administrative centre of Salaspils municipality. The town is situated on the northern bank of the Daugava River 18 kilometers to the south-east of the city of Riga.-History:...

    , Latvia
    Latvia
    Latvia , officially the Republic of Latvia , is a country in the Baltic region of Northern Europe. It is bordered to the north by Estonia , to the south by Lithuania , to the east by the Russian Federation , to the southeast by Belarus and shares maritime borders to the west with Sweden...

    . Acc. nos. 18112, 18113, (as U. glabra 'Pendula').
  • Linnaean Gardens of Uppsala
    Linnaean Garden
    The Linnaean Garden or Linnaeus' Garden is the oldest of the botanical gardens belonging to Uppsala University in Sweden. It has been restored and is kept as an 18th century botanical garden, according to the specifications of Carolus Linnaeus.The garden was originally planned and planted by Olaus...

    , Finland. Acc. nos. 1976-1051, 1974-1111, 1977-1092 (as forma pendula, and 'Pendula' resp.).
  • Rathmullen House, County Donegal
    County Donegal
    County Donegal is a county in Ireland. It is part of the Border Region and is also located in the province of Ulster. It is named after the town of Donegal. Donegal County Council is the local authority for the county...

    , Ireland
    Republic of Ireland
    Ireland , described as the Republic of Ireland , is a sovereign state in Europe occupying approximately five-sixths of the island of the same name. Its capital is Dublin. Ireland, which had a population of 4.58 million in 2011, is a constitutional republic governed as a parliamentary democracy,...

    . One tree, 6 m high, 103 cm d.b.h. in 2000.
  • Sir Harold Hillier Gardens
    Sir Harold Hillier Gardens
    The Sir Harold Hillier Gardens is an arboretum comprising 72 hectares accommodating over 42,000 trees and shrubs in about 12,000 taxa, notably a collection of oaks, camellia, magnolia and rhododendron....

    , Ampfield
    Ampfield
    Ampfield is a village and civil parish in the Borough of Test Valley in Hampshire, England, between Romsey, Eastleigh, and Winchester. It had a population at the 2001 census of 1,474....

    , Hampshire
    Hampshire
    Hampshire is a county on the southern coast of England in the United Kingdom. The county town of Hampshire is Winchester, a historic cathedral city that was once the capital of England. Hampshire is notable for housing the original birthplaces of the Royal Navy, British Army, and Royal Air Force...

    , UK; acc. no. 1977.5056
  • Strona Arboretum Ulmus lamellosa
    Ulmus lamellosa
    Ulmus lamellosa, commonly called the Hebei Elm, is a small deciduous tree native to four Chinese provinces, Hebei, Henan, Nei Mongol, and Shanxi, to the west and south of Beijing .-Description:...

    , University of Life Sciences, Warsaw
    Warsaw
    Warsaw is the capital and largest city of Poland. It is located on the Vistula River, roughly from the Baltic Sea and from the Carpathian Mountains. Its population in 2010 was estimated at 1,716,855 residents with a greater metropolitan area of 2,631,902 residents, making Warsaw the 10th most...

    , Poland. Listed as Ulmus glabra 'Pendula'
  • Tallinn
    Tallinn
    Tallinn is the capital and largest city of Estonia. It occupies an area of with a population of 414,940. It is situated on the northern coast of the country, on the banks of the Gulf of Finland, south of Helsinki, east of Stockholm and west of Saint Petersburg. Tallinn's Old Town is in the list...

     Botanic Garden, Estonia
    Estonia
    Estonia , officially the Republic of Estonia , is a state in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia , and to the east by Lake Peipsi and the Russian Federation . Across the Baltic Sea lies...

     http://www.tba.ee/index.php?lang=eng. Listed as 'Pendula'; no accession details available.
  • University of Copenhagen
    University of Copenhagen
    The University of Copenhagen is the oldest and largest university and research institution in Denmark. Founded in 1479, it has more than 37,000 students, the majority of whom are female , and more than 7,000 employees. The university has several campuses located in and around Copenhagen, with the...

    , Denmark. Listed as Ulmus glabra 'Pendula'; no accession details available.

Australasia

  • Ballarat Botanical Gardens
    Ballarat Botanical Gardens
    The Ballarat Botanical Gardens Reserve, located on the western shore of picturesque Lake Wendouree, in Ballarat, Victoria, Australia, covers an area of 40 hectares which is divided into 3 distinct zones. The central Botanical Gardens reserve in the 'gardenesque' style of the Victorian pleasure...

    . One tree listed on the Significant Tree Register of the National Trust
    National Trust of Australia
    The Australian Council of National Trusts is the peak body for community-based, non-government organisations committed to promoting and conserving Australia's indigenous, natural and historic heritage....

    .
  • Eastwoodhill Arboretum
    Eastwoodhill Arboretum
    Eastwoodhill is the national arboretum of New Zealand. It covers and is located 35 km northwest of Gisborne, in the hill country of Ngatapa. It was founded in 1910 by William Douglas Cook...

     http://www.eastwoodhill.org.nz/gardens--collection/collection.aspx?Type=&G=Ulmus, Gisborne, New Zealand
    Gisborne, New Zealand
    -Economy:The harbour was host to many ships in the past and had developed as a river port to provide a more secure location for shipping compared with the open roadstead of Poverty Bay which can be exposed to southerly swells. A meat works was sited beside the harbour and meat and wool was shipped...

    . 2 trees, details not known.
  • Hascombe, Mount Macedon
    Hascombe garden
    Hascombe is a nineteenth century hill station garden located at Mount Macedon in Victoria, Australia. The 11 hectare garden, located on Alton Road, is regarded as one of Victoria's finest and is listed on the Register of the National Estate.-History:...

    . 100 years old (2009).

Europe

  • Arboretum Waasland http://www.arboretum-waasland.be/English.htm, Nieuwkerken-Waas, Belgium, (as U. glabra 'Pendula').
  • Boomwekerijen 'De Batterijen', Ochten
    Ochten
    Ochten is a town in the Dutch province of Gelderland. It is a part of the municipality of Neder-Betuwe, and lies about 10 km southwest of Wageningen....

    , Netherlands http://www.treecommerce.com/batterijen/resultaten_pagina.asp?page=1&taal=&zoekplant=Ulmus (as Ulmus glabra Pendula)
  • Dulford Nurseries, Cullompton
    Cullompton
    Cullompton is a civil parish and town in Devon, England, locally known as Cully. It is miles north-north-east of Exeter and lies on the River Culm. In 2010 it had a population of 8,639 and is growing rapidly....

    , Devon
    Devon
    Devon is a large county in southwestern England. The county is sometimes referred to as Devonshire, although the term is rarely used inside the county itself as the county has never been officially "shired", it often indicates a traditional or historical context.The county shares borders with...

    , UK http://www.dulford-nurseries.co.uk (as Ulmus glabra 'Pendula')
  • UmbraFlor http://www.umbraflor.it, Spello
    Spello
    Spello is an ancient town and comune of Italy, in the province of Perugia in east central Umbria, on the lower southern flank of Mt. Subasio. It is 6 km NNW of Foligno and 10 km SSE of Assisi.The old walled town lies on a regularly NW-SE sloping ridge that eventually meets the plain...

    , Italy (as Ulmus montana 'Pendula')
  • Westerveld Boomkwekerij B.V.http://www.westerveldbv.nl/, Opheusden
    Opheusden
    Opheusden is a town in the Dutch province of Gelderland. It is a part of the municipality of Neder-Betuwe, and lies about 5 km south of Wageningen....

    , The Netherlands (as Ulmus glabra 'Pendula').

Australasia

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