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Ulmus 'Urban'
''Ulmus'' 'Urban' is an American hybrid elm cultivar selected from the progeny of a controlled crossing of the Siberian Elm ''Ulmus pumila'' (female parent) with the Dutch clone '148' ( ''U. × hollandica'' 'Vegeta' × ''U. minor'' '28') in 1958 by Toru Arisumi of the USDA at Columbus, Ohio. Clone '148' had been sent to the US from the Netherlands in 1952 by Johanna Went, leader of the elm research team at the Willie Commelin Scholten Phytopathology Laboratory in Baarn.. Schippers, B & Roosje, G S (1997). Hundred years of history and the future of the Foundation ‘Willie Commelin Scholten Phytopathological Laboratory’. ''European Journal of Plant Pathology'', October 1997, Volume 103, Issue 7, 667–671. Description 'Urban' is considered a poor ornamental, the tree possessed of stiff branching and amorphous form. The lanceolate to obovate leaves are All these trees initially grew strongly on the heavy clay loam, attaining > 8 m in height in seven years. However, at t ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ulmus Pumila
''Ulmus pumila'', the Siberian elm, is a tree native to Asia. It is also known as the Asiatic elm and dwarf elm, but sometimes miscalled the 'Chinese Elm' (''Ulmus parvifolia''). ''U. pumila'' has been widely cultivated throughout Asia, North America, Argentina, and southern Europe, becoming naturalized in many places, notably across much of the United States. Description The Siberian elm is usually a small to medium-sized, often bushy, deciduous tree growing to tall, the diameter at breast height to . The bark is dark gray, irregularly longitudinally fissured. The branchlets are yellowish gray, glabrous or pubescent, unwinged and without a corky layer, with scattered lenticels. The winter buds dark brown to red-brown, globose to ovoid. The petiole is , pubescent, the leaf blade elliptic-ovate to elliptic-lanceolate, , the colour changing from dark green to yellow in autumn.Fu, L., Xin, Y. & Whittemore, A. (2002). Ulmaceae, in Wu, Z. & Raven, P. (eds) ''Flora of China ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xanthogaleruca Luteola
''Xanthogaleruca luteola'', commonly known as the elm-leaf beetle, is a beetle species in the family Chrysomelidae that is native to Europe but invasive in other parts of the world.http://cisr.ucr.edu/elm_leaf_beetle.html - Center for Invasive Species Research Description The imago (adult beetle) is 6–8 mm in length, and ranges from yellow to green in colour, with a spot on its head, an hourglass mark and two spots on the pronotum, and a broad, dark stripe along the edge of each elytron. The larvae are usually black, occasionally black and yellow, with multiple rows of dots on the back and on the sides and < 13 mm long. The pupae are orange-yellow with black chaetae. The ova are yellow, and laid in spindle-like clusters of < 25 on the undersides of the elm leaves. Distribution These beetles are common in the Western Palearctic realm from Portugal to Central Asia. Indigenous to Europe, they were accidentally introduced to North America and Austra ...[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Morton Arboretum
The Morton Arboretum, in Lisle, Illinois, United States, is a public garden, and outdoor museum with a library, herbarium, and program in tree research including the Center for Tree Science. Its grounds, covering 1,700 acres (6.9 square kilometres), include cataloged collections of trees and other living plants, gardens, and restored areas, among which is a restored tallgrass prairie. The living collections include more than 4,100 different plant species. There are more than 200,000 cataloged plants. As a place of recreation, the Arboretum has hiking trails, roadways for driving and bicycling, a interactive children's garden and a maze. The Schulenberg Prairie at the Arboretum was one of the earliest prairie restoration projects in the Midwest, begun in 1962. It is one of the largest restored prairies in the Chicago suburban area. The Arboretum offers an extensive nature-centered education program for children, families, school groups, scouts, and adults, including tree and r ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chicago Botanic Garden
The Chicago Botanic Garden is a living plant museum situated on nine islands in the Cook County Forest Preserves. It features 27 display gardens in four natural habitats: McDonald Woods, Dixon Prairie, Skokie River Corridor, and Lakes and Shores. The garden is open every day of the year. An admission fee has been approved to start in 2022, not to exceed $35. The Chicago Botanic Garden is owned by the Forest Preserve District of Cook County, and managed by the Chicago Horticultural Society. It opened to the public in 1972, and is home to the Joseph Regenstein Jr. School of the Chicago Botanic Garden, offering a number of classes and certificate programs. The Chicago Botanic Garden is accredited by the American Alliance of Museums and is a member of the American Public Gardens Association (APGA). Garden facts The Chicago Botanic Garden has 50,000 members, the largest membership of any U.S. public garden, and is Chicago's 7th largest cultural institution and 12th-ranking tourist ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ulmus 'Patriot'
''Ulmus'' 'Patriotis a hybrid cultivar raised by the United States National Arboretum in 1980. Derived from a crossing of the American hybrid 'Urban' (female parent) with the Wilson's Elm (now treated as Japanese Elm ''U. davidiana'' var. ''japonica'') cultivar 'Prospector', 'Patriot' was released to commerce, free of patent restrictions, in 1993.Tested in the US National Elm Trial coordinated by Colorado State University'Patriot' averaged a survival rate of 85% after 10 years. Description The tree develops an upsweeping crown, ultimately adopting a narrow vase-shape. The leaves are slightly leaf shape, obovate, with doubly serrate margins and typically acuminate apices; they are of an average size for the genus, The perfect flower, perfect, apetalous wind-pollinated flowers appear in March. Flowering usually begins when the tree is aged six years. Growth is vigorous; specimens in the USDA trials reaching a height of over 13 m (43 ft) and a spread of nearly 8&nbs ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ulmus 'Prospector'
The Japanese elm cultivar ''Ulmus davidiana'' var. ''japonica'' 'Prospector' was originally treated as a cultivar of Wilson's elm ''U. wilsoniana'' Schneid., a species sunk as ''Ulmus davidiana'' var. ''japonica'' by Fu.Fu, L., Xin, Y. & Whittemore, A. (2002). Ulmaceae, in Wu, Z. & Raven, P. (eds) ''Flora of China'', Vol. 5 (Ulmaceae through Basellaceae). Science Press, Beijing, and Missouri Botanical Garden Press, St. Louis, US/ref> A U.S. United States National Arboretum, National Arboretum introduction (NA 55398), it was selected in 1975 from a batch of 1965 seedlings in Delaware, Ohio, and released without patent restrictions in 1990.''HortScience'', 26, 81-82, 1991. 'Prospector' proved moderately successful in the US National Elm Trial, averaging a survival rate of 76% overall. 'Prospector' was introduced to the UK in 2009, by Hampshire & Isle of Wight Branch, ''Butterfly Conservation'', as part of an assessment of DED-resistant cultivars as potential hosts of the endange ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Japanese Elm
Japanese elm is a common name for several plants and may refer to: * ''Ulmus davidiana'' var. ''japonica'' *''Zelkova serrata ''Zelkova serrata'' (Japanese zelkova, Japanese elm or keyaki or keaki; ja, 欅 (ケヤキ) keyaki /槻 (ツキ) tsuki; ; ko, 느티나무 neutinamu) is a species of the genus ''Zelkova'' native plant, native to Japan, Korea, eastern China an ...'', native to Japan, Korea, eastern China, and Taiwan {{Short pages monitor ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canberra
Canberra ( ) is the capital city of Australia. Founded following the federation of the colonies of Australia as the seat of government for the new nation, 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 at the northern tip of the Australian Alps, the country's highest mountain range. As of June 2021, Canberra's estimated population was 453,558. The area chosen for the capital had been inhabited by Indigenous Australians for up to 21,000 years, with the principal group being the Ngunnawal people. European settlement commenced in the first half of the 19th century, as evidenced by surviving landmarks such as St John's Anglican Church and Blundells Cottage. On 1 January 1901, federation of the colonies of Australia was achieved. Following a long dispute over whether Sydney or Melbourne should be the national capital, a compromise was reached: the new capital would be buil ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amsterdam
Amsterdam ( , , , lit. ''The Dam on the River Amstel'') is the Capital of the Netherlands, capital and Municipalities of the Netherlands, most populous city of the Netherlands, with The Hague being the seat of government. It has a population of 907,976 within the city proper, 1,558,755 in the City Region of Amsterdam, urban area and 2,480,394 in the Amsterdam metropolitan area, metropolitan area. Located in the Provinces of the Netherlands, Dutch province of North Holland, Amsterdam is colloquially referred to as the "Venice of the North", for its large number of canals, now designated a World Heritage Site, UNESCO World Heritage Site. Amsterdam was founded at the mouth of the Amstel River that was dammed to control flooding; the city's name derives from the Amstel dam. Originally a small fishing village in the late 12th century, Amsterdam became a major world port during the Dutch Golden Age of the 17th century, when the Netherlands was an economic powerhouse. Amsterdam is th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
The Tree Register
The Tree Register, or more fully, the Tree Register of the British Isles (T.R.O.B.I.), is a registered charity collating and updating a database of notable trees throughout Britain and Ireland. It comprises a computer database which in 2022 contained details of 250,000 trees. It contains data from the original hand-written records of the late and internationally acclaimed dendrologist Alan Mitchell, and other historical records taken from reference works going back more than 200 years. . Recent height and girth measurements can be compared to those recorded by the likes of Loudon (1830s), Elwes and Henry (early 1900s) and the Hon. Maynard Greville (1950s), providing a valuable record of growth rates. The Tree Register was one of the founders of the Ancient Tree Hunt campaign. See also *The Tree Council The Tree Council was founded in 1974 in the United Kingdom, and became a Charitable organization#Charity registration, registered charity in 1978. Its primary objective i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dutch Elm Disease
Dutch elm disease (DED) is caused by a member of the sac fungi (Ascomycota) affecting elm trees, and is spread by elm bark beetles. Although believed to be originally native to Asia, the disease was accidentally introduced into Americas, America, Europe, and New Zealand. In these regions it has devastated native populations of elms that did not have resistance to the disease. The name "Dutch elm disease" refers to its identification in 1921 and later in the Netherlands by Dutch phytopathologists Marie Beatrice Schol-Schwarz, Bea Schwarz and Christine Buisman, who both worked with professor Johanna Westerdijk. The disease affects species in the genera ''Ulmus'' and ''Zelkova''; therefore it is not specific to the Ulmus × hollandica, Dutch elm hybrid. Overview Dutch elm disease (DED) is caused by ascomycete microfungi. [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shepton Mallet
Shepton Mallet is a market town and civil parish in the Mendip District of Somerset, England, some south-west of Bath, south of Bristol and east of Wells. It had an estimated population of 10,810 in 2019. Mendip District Council is based there. The Mendip Hills lie to the north and the River Sheppey runs through the town, as does the route of the Fosse Way, the main Roman road between north-east and south-west England. There is evidence of Roman settlement. Its listed buildings include a medieval parish church. Shepton Mallet Prison was England's oldest, but closed in March 2013. The medieval wool trade gave way to trades such as brewing in the 18th century. It remains noted for cider production. It is the closest town to the Glastonbury Festival and nearby the Royal Bath and West of England Society showground. History Etymology The name Shepton derives from the Old English ''scoep'' and ''tun'', meaning "sheep farm"; the ''Domesday Book'' of 1086 records a settlement kn ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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