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Lobel (elm hybrid)
Encyclopedia
A Dutch hybrid cultivar
raised at Wageningen
, Ulmus 'Lobel' was derived from a crossing of clone 202 (U. glabra 'Exoniensis'
× U. wallichiana) with 336 ('Bea Schwarz'
, selfed), cloned in 1962 and released for sale in 1973.
'Lobel' is a fastigiate, small-crowned, tree not unlike the pyramidal Hornbeam Carpinus betulus 'Fastigiata'. The typically acuminate
leaves are < 11 cm long × < 7 cm broad, and notably late to flush, rarely before mid-May.
.
more resistant to Dutch elm disease
, planting is no longer recommended wherever the disease is prevalent. Sales in the Netherlands
declined from over 12,000 in 1989 to 1,100 in 2004 http://www.deboomkwekerij.nl/tsde/resources/attachments/download/true/im/false/id/69628/Iep.pdf.
However, 'Lobel' is particularly resistant to sea winds, and was accordingly planted in large numbers by Portsmouth City Council in the late 1980s, notably to replace the Huntingdon Elm
s lost in the Great Storm of 1987
along the Ladies' Mile on Southsea
Common. There are also large plantings at Ealing
and Primrose Hill
, London
, Brighton & Hove
, and Havant
. 'Lobel' was included in trials http://www.netspace.net.au/~stephenf/Resistant_Elms.html in Canberra
, Australia
started in 1988 but has not thrived in that environment.
'Lobel' was introduced to North America
in 1991 when Heybroek
donated material to the North Central Regional PI Station, Iowa State University
, but the tree is not known to have been commercially released there .
.
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...
raised at Wageningen
Wageningen
' is a municipality and a historical town in the central Netherlands, in the province of Gelderland. It is famous for Wageningen University, which specializes in life sciences. The city has 37,414 inhabitants , of which many thousands are students...
, Ulmus 'Lobel' was derived from a crossing of clone 202 (U. glabra 'Exoniensis'
Ulmus glabra 'Exoniensis'
Ulmus glabra Exoniensis, the Exeter Elm, was discovered near Exeter, England, in 1826, and propagated by the Ford nursery in that city. Its fastigiate shape when young, upward-curving tracery, small samarae and leaves, late leaf-flush and late leaf-fall, taken with its south-west England...
× U. wallichiana) with 336 ('Bea Schwarz'
Ulmus 'Bea Schwarz'
The elm cultivar Bea Schwarz was cloned at Wageningen, the Netherlands ostensibly from a selection of Ulmus minor found in France in 1939...
, selfed), cloned in 1962 and released for sale in 1973.
Description
Leaf shape
In botany, leaf shape is characterised with the following terms :* Acicular : Slender and pointed, needle-like* Acuminate : Tapering to a long point...
leaves are < 11 cm long × < 7 cm broad, and notably late to flush, rarely before mid-May.
Pests and diseases
'Lobel' has been rated 4 out of 5 ("good") for its resistance to Dutch elm diseaseDutch 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...
.
Cultivation
Following the development and release of cultivars such as 'Columella'Ulmus 'Columella'
Ulmus Columella is a Dutch cultivar raised by the Dorschkamp Research Institute in Wageningen from a selfed seedling of the hybrid 'Plantyn' sown in 1967...
more resistant 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...
, planting is no longer recommended wherever the disease is prevalent. Sales in the Netherlands
Netherlands
The Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...
declined from over 12,000 in 1989 to 1,100 in 2004 http://www.deboomkwekerij.nl/tsde/resources/attachments/download/true/im/false/id/69628/Iep.pdf.
However, 'Lobel' is particularly resistant to sea winds, and was accordingly planted in large numbers by Portsmouth City Council in the late 1980s, notably to replace the Huntingdon Elm
Huntingdon Elm
Ulmus × hollandica Mill. Vegeta Lindley , sometimes known as the Huntingdon Elm, is an old English cultivar raised at Brampton, near Huntingdon by nurserymen Wood & Ingram in 1746, allegedly from seed collected from an Ulmus × hollandica hybrid at nearby Hinchingbrooke Park...
s lost in the Great Storm of 1987
Great Storm of 1987
The Great Storm of 1987 occurred on the night of 15/16 October 1987, when an unusually strong weather system caused winds to hit much of southern England and northern France...
along the Ladies' Mile on Southsea
Southsea
Southsea is a seaside resort located in Portsmouth at the southern end of Portsea Island in the county of Hampshire in England. Southsea is within a mile of Portsmouth's city centre....
Common. There are also large plantings at Ealing
Ealing
Ealing is a suburban area of west London, England and the administrative centre of the London Borough of Ealing. It is located west of Charing Cross and around from the City of London. It is one of the major metropolitan centres identified in the London Plan. It was historically a rural village...
and Primrose Hill
Primrose Hill
Primrose Hill is a hill of located on the north side of Regent's Park in London, England, and also the name for the surrounding district. The hill has a clear view of central London to the south-east, as well as Belsize Park and Hampstead to the north...
, 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...
, 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...
, and Havant
Havant
Havant is a town in south east Hampshire on the South coast of England, between Portsmouth and Chichester. It gives its name to the borough comprising the town and the surrounding area. The town has rapidly grown since the end of the Second World War.It has good railway connections to London,...
. 'Lobel' was included in trials http://www.netspace.net.au/~stephenf/Resistant_Elms.html in Canberra
Canberra
Canberra is the capital city of Australia. With a population of over 345,000, it is Australia's largest inland city and the eighth-largest city overall. The city is located at the northern end of the Australian Capital Territory , south-west of Sydney, and north-east of Melbourne...
, Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...
started in 1988 but has not thrived in that environment.
'Lobel' was introduced to North America
North America
North America is a continent wholly within the Northern Hemisphere and almost wholly within the Western Hemisphere. It is also considered a northern subcontinent of the Americas...
in 1991 when Heybroek
Hans M. Heybroek
Hans M. Heybroek is a Dutch botanist best known for his researches into the genus Ulmus at the Dorschkamp Research Institute for Forestry & Landscape Planning. Until his retirement in 1992, he was responsible for the raising and release of numerous elm hybrid cultivars, notably 'Columella'...
donated material to the North Central Regional PI Station, Iowa State University
Iowa State University
Iowa State University of Science and Technology, more commonly known as Iowa State University , is a public land-grant and space-grant research university located in Ames, Iowa, United States. Iowa State has produced astronauts, scientists, and Nobel and Pulitzer Prize winners, along with a host of...
, but the tree is not known to have been commercially released there .
Etymology
The tree is named for Matthias de L'obel, the Flemish botanist also commemorated by the genus LobeliaLobelia
Lobelia is a genus of flowering plant comprising 360–400 species, with a subcosmopolitan distribution primarily in tropical to warm temperate regions of the world, a few species extending into cooler temperate regions...
.
Europe
- Arboretum de La Petite LoiterieArboretum de la Petite LoiterieThe 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, MonthodonMonthodonMonthodon is a commune in the Indre-et-Loire department in central France....
, FranceFranceThe French Republic , The French Republic , The French Republic , (commonly known as France , is a unitary semi-presidential republic in Western Europe with several overseas territories and islands located on other continents and in the Indian, Pacific, and Atlantic oceans. Metropolitan France...
. No details available - Brighton & HoveBrighton & HoveBrighton 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. - Grange Farm Arboretum http://www.thegardeningwebsite.co.uk/grange-farm-plants-speciality-rare-trees-shrubs-i411.html, Sutton St. James, SpaldingSpalding, LincolnshireSpalding is a market town with a population of 30,000 on the River Welland in the South Holland district of Lincolnshire, England. Little London is a hamlet directly south of Spalding on the B1172 road....
, Lincs.LincolnshireLincolnshire is a county in the east of England. It borders Norfolk to the south east, Cambridgeshire to the south, Rutland to the south west, Leicestershire and Nottinghamshire to the west, South Yorkshire to the north west, and the East Riding of Yorkshire to the north. It also borders...
, UK. Acc. no. 821. - Royal Botanic Gardens Kew, UK. Acc. no. 1980.729
Europe
- archam Trees http://barcham.co.uk/taxonomy/term/94, ElyEly, CambridgeshireEly is a cathedral city in Cambridgeshire, England, 14 miles north-northeast of Cambridge and about by road from London. It is built on a Lower Greensand island, which at a maximum elevation of is the highest land in the Fens...
, Cambs.CambridgeshireCambridgeshire is a county in England, bordering Lincolnshire to the north, Norfolk to the northeast, Suffolk to the east, Essex and Hertfordshire to the south, and Bedfordshire and Northamptonshire to the west...
, UK - Bellwood Trees http://www.bellwoodtrees.com/index.php, MeigleMeigleMeigle is a village in Strathmore, Scotland. It lies in the council area of Perth and Kinross in the Coupar Angus and Meigle ward. The nearest town is Forfar in neighbouring Angus. Other smaller settlements nearby are Balkeerie, Kirkinch and Kinloch. Meigle is accessed from the north and south...
, PerthshirePerthshirePerthshire, officially the County of Perth , is a registration county in central Scotland. It extends from Strathmore in the east, to the Pass of Drumochter in the north, Rannoch Moor and Ben Lui in the west, and Aberfoyle in the south...
, ScotlandScotlandScotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...
, UK - Betuwe Plant B.V.http://www.betuweplant.nl/, OpheusdenOpheusdenOpheusden 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....
, NetherlandsNetherlandsThe Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders... - De Reebock http://www.dereebock.be, ZwalmZwalmZwalm is a municipality located in Flanders and in the Flemish province of East Flanders, in Belgium. The municipality comprises the towns of Beerlegem, Dikkele, Hermelgem, Hundelgem, Meilegem, Munkzwalm, Nederzwalm, Paulatem, Roborst, Rozebeke, Sint-Blasius-Boekel, Sint-Denijs-Boekel and...
, BelgiumBelgiumBelgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many... - Dulford Nurseries http://www.dulford-nurseries.co.uk, CullomptonCullomptonCullompton 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....
, DevonDevonDevon 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 - Johan Van Herreweghe http://www.jvh-nurseries.com, Schellebelle, BelgiumBelgiumBelgium , officially the Kingdom of Belgium, is a federal state in Western Europe. It is a founding member of the European Union and hosts the EU's headquarters, and those of several other major international organisations such as NATO.Belgium is also a member of, or affiliated to, many...
. - Lorenz von Ehren http://lve.ulmer.de/TUlEPTUwOTY4.html?UID=BEA9FD32B9D84066636F075F113998FB30EF481B64C697, HamburgHamburg-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...
, GermanyGermanyGermany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate... - PlantenTuin Esveld http://www.esveld.nl/catalen/heestersu.htm#ulmus, BoskoopBoskoopBoskoop is a town and municipality in the western Netherlands, in the province of South Holland. The municipality had a population of 15,217 in 2008, and covers an area of 16.96 km² of which 2.17 km² is water...
, NetherlandsNetherlandsThe Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...
. - Sap Nurseries http://www.sapgroup.com, CahirCahirCahir is a town in South Tipperary in Ireland. The town is best known for its castle and the Swiss Cottage. It is in the barony of Iffa and Offa West.-Location and access:...
, TipperaryTipperaryTipperary is a town and a civil parish in South Tipperary in Ireland. Its population was 4,415 at the 2006 census. It is also an ecclesiastical parish in the Roman Catholic Archdiocese of Cashel and Emly, and is in the historical barony of Clanwilliam....
, IrelandIrelandIreland is an island to the northwest of continental Europe. It is the third-largest island in Europe and the twentieth-largest island on Earth... - UmbraFlor http://www.umbraflor.it, SpelloSpelloSpello 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...
, ItalyItalyItaly , officially the Italian Republic languages]] under the European Charter for Regional or Minority Languages. In each of these, Italy's official name is as follows:;;;;;;;;), is a unitary parliamentary republic in South-Central Europe. To the north it borders France, Switzerland, Austria and... - Westerveld Boomkwekerij B.V.http://www.westerveldbv.nl/, OpheusdenOpheusdenOpheusden 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....
, NetherlandsNetherlandsThe Netherlands is a constituent country of the Kingdom of the Netherlands, located mainly in North-West Europe and with several islands in the Caribbean. Mainland Netherlands borders the North Sea to the north and west, Belgium to the south, and Germany to the east, and shares maritime borders...