Ulmus × viminalis 'Aurea'

Ulmus × viminalis
Hybrid parentage	U. minor × U. minor 'Plotii'
Cultivar	'Aurea'
Origin	Louvain, Belgium

Ulmus × viminalis Lodd. 'Aurea' is a hybrid cultivar derived from the crossing U. minor × U. minor 'Plotii' raised before 1866 by Rosseel of Louvain.^[1]

Description

The tree is distinguished by its suffused golden yellow leaves in early summer, greening as the season progresses.^[2][3]

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  Illustration of 'Aurea', 1866

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  'Aurea' at Borde Hill, West Sussex, 2010.

Pests and diseases

'Aurea' is very susceptible to Dutch elm disease.

Cultivation

Only one specimen is known (2011) to survive in the UK, a stunted tree at Borde Hill, West Sussex. ^[4] Others are known in Europe and Australasia (see Accessions).

Synonymy

• 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 America

None known.

Europe

• Grange Farm Arboretum, Sutton St James, Spalding, Lincolnshire, UK. Acc. no. 1102.
• University of Copenhagen Botanic Garden, (as Ulmus procera 'Viminalis Aurea').

Australasia

• Waite Arboretum , University of Adelaide, Adelaide, Australia^[5]

Nurseries

North America

• ForestFarm Nurseries , Williams, Oregon.

Europe

• Arboretum Waasland , Nieuwkerken-Waas, Belgium.
• Szkółki Konieczko , Gogolin, Poland.

References

1. Green, P. S. (1964). Registration of cultivar names in Ulmus. Arnoldia, Vol. 24. Arnold Arboretum, Harvard University.
2. Hilliers' Manual of Trees & Shrubs. (1977). David & Charles, Newton Abbot, UK.
3. Bean, W. J. (1980) Trees and shrubs hardy in Great Britain. 8th edition. Murray's, London.
4. Johnson, O. (ed.). (2011). Champion Trees of Britain & Ireland. p. 171. Royal Botanic Gardens, Kew, London. ISBN 978-1842464526
5. Spencer, R., Hawker, J. and Lumley, P. (1991). Elms in Australia. Australia: Royal Botanic Gardens, Melbourne. ISBN 0-7241-9962-4.