The Japanese Elm cultivar ''Ulmus davidiana'' var. ''japonica'' 'Mitsui Centennial' is a cold-resistant selection raised at the Morden Experimental Station, Manitoba, Canada, in the 1970s, originally for use in the prairie regions. It was named to mark the centenary in 1980 of the London branch of Mitsui & Co., being one of a batch of Asiatic elms, some sourced from Canada (including 'Jacan'), donated to the UK in that year by the company.

Description

Similar in appearance to 'Jacan'. The species does not sucker from roots.

Pests and diseases

The tree is more resistant to Dutch elm disease than 'Jacan', and is also resistant to elm leaf beetle '' Xanthogaleruca luteola'

Cultivation

Largely restricted to Canada, 'Mitsui Centennial' is represented in Europe by a specimen at the

Sir Harold Hillier Gardens The Sir Harold Hillier Gardens is an arboretum comprising 72 hectares (180 acres) accommodating over 42,000 trees and shrubs in about 12,000 taxa, notably a collection of oaks, camellia, magnolia and rhododendron. The Gardens are located nor ...

in Hampshire, England, where it has grown strongly in a sheltered location on London Clay.Sir Harold Hillier Gardens, Ampfield, UK, (2015). ''Ulmus database''
/ref> A grove of 'Mitsui Centennial' was planted in 1980 near the Parsee Fountain on Broadwalk,

Regents Park Regent's Park (officially The Regent's Park) is one of the Royal Parks of London. It occupies of high ground in north-west Inner London, administratively split between the City of Westminster and the Borough of Camden (and historically betwe ...

, London.Mike Fitt, 'A History of Elms in London', 2024; elms4london.org
/ref>

Accessions

;North America *

Dominion Arboretum The Dominion Arboretum (french: Arboretum du Dominion) is an arboretum part of the Central Experimental Farm of Agriculture and Agri-Food Canada in Ottawa, Ontario, Canada. Originally begun in 1889, the Arboretum covers about of rolling land ...

, Ottawa, Ontario, Canada. No acc. details. ;Europe * Grange Farm Arboretum, Sutton St James, Spalding, Lincolnshire, UK. Acc. no. not known. *

Romsey Romsey ( ) is a historic market town in the county of Hampshire, England. Romsey was home to the 17th-century philosopher and economist William Petty and the 19th-century British prime minister, Lord Palmerston, whose statue has stood in the t ...

, Hampshire, UK. Acc. no. 1981.0134

References

Japanese elm cultivar Ulmus articles missing images Ulmus {{Ulmaceae-stub