Ulmus 'Cathedral'
Encyclopedia
The elm
hybrid cultivar 'Cathedral' is one of several clones derived from crossings of the Siberian Elm
U. pumila with the Japanese Elm
U. davidiana var. japonica at the University of Wisconsin–Madison
and patented in 1994.
leaves, < 14 cm long by < 8 cm broad, almost the same size and shape of those of its male parent, the Japanese Elm
, spinach
green when mature, turning yellow and orange in autumn. http://www.ca.uky.edu/agcollege/plantpathology/vaillanc/for410/Dutch%20Elm%20Disease/BASIC/DED/CORE/00/00/F1E.HTML#_Cathedral
than its siblings, although damage is usually confined to the branch tips. Studies in France
by the Institut National de la Recherche Agronomique
(INRA) confirmed the tree as only 'moderately resistant'. The leaves are also favoured by leaf hoppers and other insects that feed by piercing and sucking.
.
cathedral
-like arches was ultimately created between the trees.
Elm
Elms are deciduous and semi-deciduous trees comprising the genus Ulmus in the plant family Ulmaceae. The dozens of species are found in temperate and tropical-montane regions of North America and Eurasia, ranging southward into Indonesia. Elms are components of many kinds of natural forests...
hybrid cultivar 'Cathedral' is one of several clones derived from crossings of the Siberian Elm
Siberian Elm
Ulmus pumila, the Siberian Elm, is native to Central Asia, eastern Siberia, Mongolia, Xizang , northern China, India and Korea . It is also known as the Asiatic Elm, Dwarf Elm and Chinese Elm. Two varieties are recognized: var pumila and var. arborea, the latter known as Turkestan elm...
U. pumila with the Japanese Elm
Japanese Elm
Ulmus davidiana var. japonica, the Japanese Elm, is one of the larger and more graceful Asiatic elms, endemic to much of continental north-east Asia and Japan.-Description:...
U. davidiana var. japonica at the University of Wisconsin–Madison
University of Wisconsin–Madison
The University of Wisconsin–Madison is a public research university located in Madison, Wisconsin, United States. Founded in 1848, UW–Madison is the flagship campus of the University of Wisconsin System. It became a land-grant institution in 1866...
and patented in 1994.
Description
The tree is distinguished from its siblings 'Sapporo Autumn Gold' and 'New Horizon' by its large, ellipticLeaf shape
In botany, leaf shape is characterised with the following terms :* Acicular : Slender and pointed, needle-like* Acuminate : Tapering to a long point...
leaves, < 14 cm long by < 8 cm broad, almost the same size and shape of those of its male parent, the Japanese Elm
Japanese Elm
Ulmus davidiana var. japonica, the Japanese Elm, is one of the larger and more graceful Asiatic elms, endemic to much of continental north-east Asia and Japan.-Description:...
, spinach
Spinach
Spinach is an edible flowering plant in the family of Amaranthaceae. It is native to central and southwestern Asia. It is an annual plant , which grows to a height of up to 30 cm. Spinach may survive over winter in temperate regions...
green when mature, turning yellow and orange in autumn. http://www.ca.uky.edu/agcollege/plantpathology/vaillanc/for410/Dutch%20Elm%20Disease/BASIC/DED/CORE/00/00/F1E.HTML#_Cathedral
Pests and diseases
Tests in the USA have found 'Cathedral' to be less resistant 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...
than its siblings, although damage is usually confined to the branch tips. Studies in France
France
The 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...
by the Institut National de la Recherche Agronomique
Institut National de la Recherche Agronomique
The Institut National de la Recherche Agronomique is a French public research institute dedicated to scientific studies surrounding the problems of agriculture...
(INRA) confirmed the tree as only 'moderately resistant'. The leaves are also favoured by leaf hoppers and other insects that feed by piercing and sucking.
Cultivation
The tree requires quite high levels of maintenance owing to its predilection for breaks occasioned by branch inclusions. 'Cathedral' is widely available across the USA, and has been commercially released in EuropeEurope
Europe is, by convention, one of the world's seven continents. Comprising the westernmost peninsula of Eurasia, Europe is generally 'divided' from Asia to its east by the watershed divides of the Ural and Caucasus Mountains, the Ural River, the Caspian and Black Seas, and the waterways connecting...
.
Etymology
The tree was named by Mr Donald Willeke of Minneapolis, who observed that where planted in tight rows, a series of gothicGothic architecture
Gothic architecture is a style of architecture that flourished during the high and late medieval period. It evolved from Romanesque architecture and was succeeded by Renaissance architecture....
cathedral
Cathedral
A cathedral is a Christian church that contains the seat of a bishop...
-like arches was ultimately created between the trees.
North America
- Brenton ArboretumBrenton ArboretumThe Brenton Arboretum 121 acres is a new arboretum and botanical garden in early stages of development, located at 2629 Palo Circle, Dallas Center, Iowa, USA. The Arboretum aims to display all Iowa native trees and shrubs suitable to the site, as well as many other tree species which can grow in...
, Dallas Center, IowaIowaIowa is a state located in the Midwestern United States, an area often referred to as the "American Heartland". It derives its name from the Ioway people, one of the many American Indian tribes that occupied the state at the time of European exploration. Iowa was a part of the French colony of New...
. 5 trees, acquired 2009. Acc. no. not known. - Holden ArboretumHolden ArboretumThe 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. 91-202 - Morton ArboretumMorton ArboretumThe Morton Arboretum, in Lisle, Illinois, covers 1,700 acres and is made up of gardens of various plant types and collections of trees from specific taxonomical and geographical areas. It includes native woodlands and a restored Illinois prairie. The Arboretum has over 4,100 different species of...
. Acc. no. 205-2008
North America
- Bailey Nurseries http://www.baileynurseries.com/, St Paul, MinnesotaMinnesotaMinnesota is a U.S. state located in the Midwestern United States. The twelfth largest state of the U.S., it is the twenty-first most populous, with 5.3 million residents. Minnesota was carved out of the eastern half of the Minnesota Territory and admitted to the Union as the thirty-second state...
- Johnson's Nursery http://www.johnsonsnursery.com/, Menomonee Falls, WisconsinWisconsinWisconsin is a U.S. state located in the north-central United States and is part of the Midwest. It is bordered by Minnesota to the west, Iowa to the southwest, Illinois to the south, Lake Michigan to the east, Michigan to the northeast, and Lake Superior to the north. Wisconsin's capital is...
- Lee Nursery Inc. http://www.leenursery.com/isite/subcat.cfm?CatID=270&CatName=Deciduous%20Trees&start=true, FertileFertile, MinnesotaAs of the census of 2000, there were 893 people, 396 households, and 220 families residing in the city. The population density was 471.9 people per square mile . There were 433 housing units at an average density of 228.8 per square mile...
, MinnesotaMinnesotaMinnesota is a U.S. state located in the Midwestern United States. The twelfth largest state of the U.S., it is the twenty-first most populous, with 5.3 million residents. Minnesota was carved out of the eastern half of the Minnesota Territory and admitted to the Union as the thirty-second state... - Linder's Garden Center http://www.linders.com/category/plants-products/trees/shade/, St. Paul, MinnesotaMinnesotaMinnesota is a U.S. state located in the Midwestern United States. The twelfth largest state of the U.S., it is the twenty-first most populous, with 5.3 million residents. Minnesota was carved out of the eastern half of the Minnesota Territory and admitted to the Union as the thirty-second state...
. - Sherman Nurseries http://www.shermannursery.com/latestavailability.htm, Charles CityCharles City, IowaCharles City is a city in Floyd County, Iowa, United States. The population was 7,652 at the 2010 census a decrease of 160, or 2%, from 7,812 at the 2000 census. It is the county seat of Floyd County. Charles City is a significant commercial and transportation center for the area, located on U.S...
, IowaIowaIowa is a state located in the Midwestern United States, an area often referred to as the "American Heartland". It derives its name from the Ioway people, one of the many American Indian tribes that occupied the state at the time of European exploration. Iowa was a part of the French colony of New... - Sun Valley Garden Centre http://www.qscaping.com/NetPS-Engine.asp?CCID=20000011&page=results&Keyword=ulmus&Category=&Type=&Spread=Any&SpreadDim=feet&Growth=&Hardiness=7&Height=Any&HeightDim=feet&Canopy=&Application=&Texture=&Wildlife=&Form=&Density=&FlowerColor=&FlowerColorJS=&FoliageColor=&FoliageColorJS=&FallColor=&FallColorJS=&FruitPeriod=&BarkColor=&BarkColorJS=&FlowerPeriod=&Variegation=&VariegationJS=&FruitColor=&FruitColorJS=&Edible=&BarkTexture=&SunShade=&Moisture=&Pollution=&SoilType=&pH=&Submit=Search],Eden Prairie, MinnesotaMinnesotaMinnesota is a U.S. state located in the Midwestern United States. The twelfth largest state of the U.S., it is the twenty-first most populous, with 5.3 million residents. Minnesota was carved out of the eastern half of the Minnesota Territory and admitted to the Union as the thirty-second state...
External links
- http://www.extension.iastate.edu/Publications/SUL4.pdf Summary, inc. photographs, of elm cultivars resistant to Dutch elm disease available in the USA.