Ulmus glabra 'Exoniensis'
From Wikipedia, the free encyclopedia
| Ulmus glabra |
|---|
| Cultivar |
| 'Exoniensis' |
| Origin |
| Exeter, England |
Ulmus glabra 'Exoniensis', the 'Exeter Elm', was discovered near Exeter, England in 1826, and was propagated by the Ford nursery in that city [1] [2] [3] [4]. The tree has an upright form, occasionally reaching 17 m in height, but is chiefly distinguished by leaves that wrap around the branchlets, and thus remain attached to the tree well into winter. It is also possessed of a moderate resistance to Dutch elm disease, and consequently often featured in the Dutch elm breeding programme in association with the Field Elm U. minor and Himalayan Elm U. wallichiana [5]. 'Exoniensis' was known to have been marketed in Poland in the 19th century by the Ulrich nursery [6], Warsaw, and may still survive in Eastern Europe. It is not known to have been introduced to North America or Australasia.
Contents |
[edit] Hybrid cultivars
'Clusius', 'Columella, 'Dodoens', 'Lobel', 'Plantyn', 'Nanguen' (Lutece), 'Warnoux' (Vada).
'Exoniensis' also indirectly featured in the Italian elm breeding programme as an ancestor of 'Plantyn', which was commonly crossed with clones of the Siberian Elm Ulmus pumila to produce the cultivars 'Arno', 'Plinio', and 'San Zanobi' [7] [8].
[edit] Arboreta etc. accessions
- Europe
- Arboretum Trompenburg [4], Netherlands, no details available.
- Brighton & Hove City Council, UK, NCCPG elm collection [5], small number of trees, large specimens at Stanmer Park Arboretum, St. Roche's Arboretum, and Dumbrell Court.
- Bruntsfield Links, Edinburgh - 3 mature trees
- Cambridge Botanic Garden [6], University of Cambridge, UK, 1 tree, no accession details available.
- Hortus Botanicus Nationalis, Salaspils, Latvia acc. nos. 18105,6,7.
- Linkway Lodge, Hollingdean, Brighton, East Sussex. UK - 40 trees.
- Preston House, West Lothian, Scotland, UK champion, 22m high, 115 cm d.b.h. in 1987.
- Royal Botanic Garden Edinburgh, UK, acc. no. 19699363.
- Sir Harold Hillier Gardens, UK, acc. nos. 1977.6756, 1977.7086.
- University of Copenhagen, Botanic Garden Denmark, no details available.
[edit] Nurseries
[edit] Europe
- Brian Lewington [7], Heathfield, East Sussex, UK.
- PlantenTuin Esveld [8], Boskoop, Netherlands.
- Standard Trees [9], Golden Cross, East Sussex, UK
- Thornhayes Nursery [10], Cullompton, Devon, UK
- Westerveld Boomkwekerij B.V.[11], Opheusden, The Netherlands.
[edit] Synonymy
- Ulmus campestris var. nuda subvar. fastigiata oxfortii Hort. Vilv., probable misspelling.
- Ulmus fordii Hort.: Loudon, Arb. Frut. Brit. 3: 1399, 1838.
- Ulmus montana fastigiata: Loudon, Arb. Frut. Brit. 3: 1399, 1838.
- Ulmus montana f. fastigiata plumosa Hort.: Schelle in Beissner et al. Handb. Laubh. Benenn, 85, 1903.
- Ulmus plumosa: C. de Vos [12], Woordenbeck, 136, 1867.
- Ulmus plumosa foliis variegatis: C. de Vos, Woordenboek 137, 1867.
- Ulmus suberosa oxoniensis: Audibert, Tonelle, Tarascon, France Catalogue, 1832, probable misspelling.
- Ulmus ? var. replicata: Masters, Hort. Duroverni, 67, 1831, name in synonymy.
[edit] References
- ^ Bean, W. J. (1981). Trees and shrubs hardy in Great Britain, 7th edition. Murray, London.
- ^ Elwes, H. J. & Henry, A. (1913). The Trees of Great Britain & Ireland. Vol. VII. pp 1848-1929. Private publication, Edinburgh. [1]
- ^ Richens, R. H. (1983). Elm. Cambridge University Press.
- ^ White, J. & More, D. (2003). Trees of Britain and Northern Europe. Cassell's, London.
- ^ Heybroek, H. (1983). The Dutch elm breeding program. In Sticklen & Sherald (Eds). Dutch elm disease research (Ch. 3). Springer Verlag, New York.
- ^ Ulrich, C. (1894), Katalog Drzew i Krezewow, C. Ulrich, Rok 1893-94, Warszawa
- ^ Santini A., Fagnani A., Ferrini F. & Mittempergher L., (2002) 'San Zanobi' and 'Plinio' elm trees. [2] HortScience 37(7): 1139-1141. 2002. American Society for Horticultural Science, Alexandria, VA 22314, USA.
- ^ Santini A., Fagnani A., Ferrini F., Mittempergher L., Brunetti M., Crivellaro A., Macchioni N., Elm breeding for DED resistance, the Italian clones and their wood properties. [3] Invest Agrar: Sist. Recur. For. (2004) 13 (1), 179-184. 2004
