Ulmus × viminalis 'Aurea'

Ulmus × viminalis 'Aurea'

Infobox Cultivar | name = "Ulmus × viminalis"
hybrid = "U. minor" subsp. "minor" × "U. minor" var. "plotii"
cultivar = 'Aurea'
origin = Europe "Ulmus × viminalis" Lodd. 'Aurea' is a hybrid cultivar derived from the crossing "U. minor" subsp. "minor" Mill. × "U. minor" var. "plotii" Druce raised before 1866 by Rosseel of Louvain Green, P. S. (1964). Registration of cultivar names in Ulmus. "Arnoldia", Vol. 24. Arnold Arboretum, Harvard University. [http://arnoldia.arboretum.harvard.edu/pdf/articles/1605.pdf] ] .

Description

The tree is distinguished by its suffused golden yellow leaves in early summer, greening as the season progresses "Hilliers' Manual of Trees & Shrubs". (1977). David & Charles, Newton Abbot, UK.] Bean, W. J. (1980) "Trees and shrubs hardy in Great Britain". 8th edition. Murray's, London.] .

Pests and diseases

The tree is very susceptible to Dutch elm disease.

Cultivation

'Aurea' is probably extinct in the UK Johnson, Owen (ed.) (2003). "Champion Trees of Britain & Ireland". Whittet Press, ISBN 9781873580615.] ; several specimens still survive in arboreta in the USA, Denmark, and Australia. A grafted specimen was grown at Kew before the First World WarElwes, H. J. & Henry, A. (1913). "The Trees of Great Britain & Ireland". Vol. VII. pp 1848-1929. Private publication. [http://fax.libs.uga.edu/QK488xE4/7tgbi/] ] .

ynonymy

*"Ulmus campestris" var. "antarctica aurea": Nicholson, "Kew Hand List Trees & Shrubs", ii, 135, 1896.
*"Ulmus campestris" var. "aurea": Morren: "Belg. Hort.", p. 356, 1866, (coloured plate), and Lemaire: "Illust. Hort." t 513, 1867.
*"Ulmus campestris" var. "Rosscelsii": Schelle, in Beissner et al., "Handb. Laubh.-Benenn.", 83, 1903, = misspelling of Rosseelsii.
*"Ulmus rosseelsii": Koch, "Dendr." 2 (1): 412, 1872, in synonymy.

Accessions

;North AmericaNone known.;Europe
*University of Copenhagen Botanic Garden, (as "Ulmus procera" 'Viminalis Aurea').;Australasia
*Waite Arboretum [http://www.waite.adelaide.edu.au/arboretum/] , University of Adelaide, Adelaide, Australia [cite book|author=Spencer, R., Hawker, J. and Lumley, P.| title=Elms in Australia| publisher=Royal Botanic Gardens, Melbourne|location=Australia |year=1991|id=ISBN 0724199624]

Nurseries

;North America
*ForestFarm Nurseries [http://www.forestfarm.com/search/search.asp?aPage=1&index=genus&field-keywords=ulmus&Go.x=7&Go.y=6] , Williams, Oregon.

References


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