Elm species, varieties, cultivars and hybrids

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Contents 1 Species, varieties 2 Species cultivars 3 Hybrids and hybrid cultivars 4 Cultivars of unconfirmed derivation 5 Misidentified cultivars 6 References

[edit] Species, varieties

• "Mountain elms": spring flowering; flowers subsessile; leaves usually rough above.
  • Ulmus bergmanniana - Bergmann's Elm.
    • Ulmus bergmanniana var. bergmanniana
    • Ulmus bergmanniana var. lasiophylla
  • Ulmus castaneifolia - Chestnut-leafed Elm.
  • Ulmus changii
    • Ulmus changii var. changii
    • Ulmus changii var. kunmingensis
  • Ulmus chumlia
  • Ulmus elongata
  • Ulmus gaussenii - Anhui Elm
  • Ulmus glabra - Wych Elm, Scots Elm,
  • Ulmus glaucescens - Gansu Elm
    • Ulmus glaucescens var. glaucescens
    • Ulmus glaucescens var. lasiocarpa
  • Ulmus laciniata - Manchurian Elm, Cut-leaf Elm
    • Ulmus laciniata var. nikkoensis - Nikko Elm
  • Ulmus lamellosa - Hebei Elm
  • Ulmus macrocarpa - Large-fruited Elm.
    • Ulmus macrocarpa var. glabra
    • Ulmus macrocarpa var. macrocarpa
  • Ulmus mexicana - Mexican Elm
  • Ulmus microcarpa
  • Ulmus prunifolia
  • Ulmus rubra - Slippery Elm, Red Elm.
  • Ulmus uyematsui - Arishan Elm.
  • Ulmus wallichiana - Himalayan Elm, Kashmir Elm.

• "Field elms": spring flowering; flowers subsessile; leaves usually smooth above.
  • Ulmus canescens - Grey Elm, Grey-leafed Elm, Hoary Elm.
  • Ulmus chenmoui - Chenmou Elm
  • Ulmus davidiana - David Elm, Father David's Elm
    • Ulmus davidiana var. davidiana
    • Ulmus davidiana var. japonica - Japanese Elm, Wilson's Elm.
  • Ulmus harbinensis
  • Ulmus ismaelis
  • Ulmus lanceifolia
  • Ulmus minor - Field Elm.
    • Ulmus minor subsp. angustifolia - Cornish Elm.
    • Ulmus minor subsp. minor - Smooth-leaved Elm, Narrow-leaved Elm
    • Ulmus minor var. plotii - Plot's Elm, Goodyer's Elm, Lock Elm.
    • Ulmus minor subsp. sarniensis - Guernsey Elm, Jersey Elm, Southampton Elm, Wheatley Elm.
  • Ulmus procera - English Elm, Atinian Elm.
  • Ulmus pseudopropinqua.
  • Ulmus pumila - Siberian Elm.
    • Ulmus pumila var. arborea
  • Ulmus szechuanica - Szechuan Elm.
  • Ulmus villosa - Cherry Bark Elm.

• "White elms": spring flowering; flowers pedunculate
  • Ulmus alata - Winged Elm, Wahoo.
  • Ulmus americana - American Elm, White Elm
  • Ulmus laevis - European White Elm, Fluttering Elm, Spreading Elm, (USA) Russian Elm.
  • Ulmus thomasii - Rock Elm, Cork Elm

• "Autumn-flowering elms": autumn flowering.
  • Ulmus crassifolia - Cedar Elm.
  • Ulmus parvifolia - Chinese Elm, Lacebark Elm.
    • Ulmus parvifolia var. coreana - Korean Lacebark Elm
  • Ulmus serotina - September Elm.

[edit] Species cultivars

• Ulmus alata - Winged Elm, Wahoo:
  • Lace Parasol.
• Ulmus americana - American Elm:
  • American Liberty, Ascendens, Augustine, Aurea, Beaverlodge, Beebe's Weeping, Brandon, Burgoyne, College, Columnaris, Delaware, Exhibition, Fiorei, Folia Aurea Variegata, Hines, Incisa, Independence, Iowa State, Jackson, Jefferson, Kimley, Klehmii, Lake City, L'Assomption, Lewis & Clark (Prairie Expedition™), Littleford, Markham, Minneapolis Park, Moline, Morden, New Harmony, Nigricans, Patmore, Pendula, Penn Treaty, Princeton, Pyramidata, Queen City, Sheyenne, Skinner Upright, Star, Valley Forge, Variegata, Vase, Washington.
• Ulmus crassifolia - Cedar Elm:
  • Brazos Rim
• Ulmus davidiana var. japonica - Japanese Elm:
  • Discovery, Emerald Sunshine, Freedom, Jacan, Mitsui Centennial, Prospector, Reperta, Thomson.
• Ulmus glabra - Wych Elm:
  • Albo-Variegata, Atropurpurea, Australis, Camperdownii (Camperdown Elm), Cebennensis (Cevennes Elm), Cornuta, Corylifolia, Corylifolia Purpurea, Crispa, Crispa Aurea, Dovaei, Escaillard, Exoniensis (Exeter Elm), Fastigiata macrophylla, Fastigiata stricta, Fastigiata variegata, Firma, Flava, Gittisham, Holgeri, Horizontalis (Weeping Wych Elm), Insularis, Latifolia Aurea, Latifolia Aureo-Variegata, Latifolia Nigricans, Luteo Variegata, Lutescens (Golden Wych Elm), Macrophylla, Maculata, Minor, Monstrosa, Nana (Dwarf Wych Elm), Nigra (Black Irish Elm), Oblongata, Pendula Macrophylla, Pendula Variegata, Purpurea, Ramulosa, Rubra, Rugosa, Spectabilis, Tiliaefolia, Tomentosa.
• Ulmus laevis - European White Elm:
  • Aureo-Variegata, Colorans, Ornata, Punctata, Urticaefolia.
• Ulmus minor subsp. minor - Smooth-leafed Elm, Narrow-leafed Elm:
  • Albo-dentata, Amplifolia, Biltii, Concavaefolia, Cucullata, Dijkwel, Erecta, Folia alba-punctata, Hoersholmiensis, Holmstruph, Hunnybunii, Laciniata, Lanuginosa, Latifolia, Microphylla Purpurea, Microphylla Rubra, Pendula, Picturata, Propendens, Purpurascens, Reverti, Rueppellii, Schuurhoek, Silvery Gem, Sowerbyi, Tortuosa, Umbraculifera, Umbraculifera Gracilis, Variegata (Variegated Smooth-leaved Elm), Virgata.
• Ulmus minor subsp. sarniensis - Guernsey Elm, Jersey Elm, Southampton Elm, Wheatley Elm:
  • Microphylla Pendula, Purple Leaf Jersey Elm.
• Ulmus parvifolia - Chinese Elm, Lacebark Elm:
  • A. Ross Central Park (Central Park Splendor™), Bosque, Burgundy, Catlin, Chessins, Cork Bark, D.B.Cole, Drake, Dwarf Weeper, Dynasty, Ed Wood, Elsmo, Emer I or Emerald Isle (Athena™), Emer II or Emerald Vase (Allee™), Frosty, Garden City Clone, Geisha, Glory, Golden Rey, Hallelujah, Hokkaido, Jade Empress, King's Choice, Littleleaf, Matthew, Milliken, Nire-keyaki, Ohio, Orange Ribbon, Pathfinder, Pendens, Prairie Shade, Red Fall, Seiju, Select 380, Sempervirens, State Fair, Stone's Dwarf, The Thinker, Todd, Ware's, Yatsubusa, Zettler (Heritage™).
• Ulmus procera - English Elm:
  • Acutifolia, Argenteo-Variegata, Aspera, Folia Aurea, Louis van Houtte, Pyramidalis.
• Ulmus pumila - Siberian Elm:
  • Ansaloni, Aurescens, Chinkota, Dropmore, Green King, Hansen, Harbin, Manchu, Mr. Buzz, Park Royal, Pendula, Pyramidalis Fiorei, Variegata.

[edit] Hybrids and hybrid cultivars

• Ulmus × androssowii. U. pumila × U. minor var. umbraculifera? Uzbekistan.
• Ulmus × arbuscula. U. pumila × U. glabra. Russia.
• Ulmus × brandisiana. U. chumlia × U. wallichiana. Natural hybrid. India, Pakistan.
• Ulmus × elegantissima. U. glabra × U. minor var. plotii. Natural hybrid, UK. Cultivar:
  • Jacqueline Hillier.
• Ulmus × hollandica. U. glabra × U. minor. - Dutch Elm, (USA) Netherland Elm. Natural hybrid. Europe. Cultivars and artificial hybrid cultivars include:
  • Alba, Angustifolia, Belgica (Belgian Elm), Cinerea, Dampieri, Dauvessei, Daveyi (Davey Elm), Dumont, Eleganto-Variegata, Fjerrestad, Fulva, Gaujardii, Groeneveld, Haarlemensis, Hillieri, Major (Dutch Elm), Macrophylla Aurea, Microphylla, Modiolina, Muscaviensis, Pioneer, Serpentina, Smithii (Downton Elm), Superba (Canterbury Elm), Tricolor, Vegeta (Huntingdon Elm), Vegeta (Chichester Elm), Virens (Kidbrook Elm), Viscosa, Wredei (Golden Elm), Ypreau.
• Ulmus × viminalis. U. minor subsp. minor × U. minor var. plotii. England, 1677. Cultivars include:
  • Aurea, Marginata, Pulverulenta.
• Ulmus Arno. Plantyn × U. pumila. Italy, 2006.
• Ulmus Cathedral. U. pumila × U. davidiana var. japonica. USA, 1994.
• Ulmus Charisma: See under Ulmus Morton Glossy (Triumph™).
• Ulmus Clusius. (U. glabra Exoniensis × U. wallichiana) × U. minor Bea Schwarz selfed. Netherlands, 1983.
• Ulmus Columella. Plantyn or Plantijn selfed. Netherlands, 1989.
• Ulmus Commelin. U. × hollandica Vegeta × U. minor. Netherlands, 1960.
• Ulmus Coolshade. U. rubra × U. pumila. USA, 1946.
• Ulmus Den Haag. U. pumila × U. × hollandica Belgica. Netherlands, 1936.
• Ulmus Dodoens. U. glabra × U. wallichiana selfed. Netherlands, 1973.
• Ulmus Etrusca. U. glabra × U. minor var. plotii. UK, c. 1890.
• Ulmus Fiorente. U. pumila × U. minor. Italy, 2006.
• Ulmus Frontier. U. minor × U. parvifolia. USA, 1990.
• Ulmus Homestead. U. pumila × (Commelin × (U. pumila × U. minor Hoersholmiensis)). USA.
• Ulmus Improved Coolshade: see under Ulmus Coolshade.
• Ulmus Lincoln. U. pumila × U. rubra. USA, 1958.
• Ulmus Lobel. (U. glabra Exoniensis × U. wallichiana) × U. minor Bea Schwarz selfed. Netherlands, 1973.
• Ulmus Morton (Accolade™). U. davidiana var. japonica × U. wilsoniana. [1]. USA, 2000.
• Ulmus Morton Glossy (Triumph™). Accolade™ × Vanguard™. USA, 2000.
• Ulmus Morton Plainsman (Vanguard™). U. pumila × U. davidiana var. japonica. USA, 2000.
• Ulmus Morton Red Tip (Danada Charm™). U. davidiana var. japonica × U. wilsoniana. USA.
• Ulmus Morton Stalwart (Commendation™). Accolade™ × (U. pumila × U. minor). USA, 2000.
• Ulmus Nanguen (Lutèce™). Plantyn × (U. minor Bea Schwarz × U. minor Bea Schwarz selfed). [2]. Netherlands, 2001.
• Ulmus New Horizon. U. pumila × U. davidiana var. japonica. USA, 1995.
• Ulmus Patriot. Urban × U. davidiana var. japonica (formerly Wilson's Elm U. wilsoniana) Prospector. USA, 1993.
• Ulmus Plantyn or Plantijn. (U. glabra Exoniensis × U. wallichiana) × (U. minor × U. minor). Netherlands, 1973.
• Ulmus Plinio. Plantyn × U. pumila. Italy, 2002.
• Ulmus Rebone. U. pumila × U. davidiana var. japonica. USA, 1993.
• Ulmus Recerta. U. pumila × U. minor. USA, < 1985.
• Ulmus Regal. U. pumila × (Commelin × (U. pumila × U. minor Hoersholmiensis)). USA, 1983.
• Ulmus Repura. Regal × (U. rubra × (U. pumila × U. davidiana var. japonica)). USA, 1993.
• Ulmus Revera. Regal × (U. rubra × (U. pumila × U. davidiana var. japonica)). USA, 1993.
• Ulmus Rosehill. U. pumila × U. rubra. USA, 1951.
• Ulmus San Zanobi. Plantyn × U. pumila. Italy, 2002.
• Ulmus Sapporo Autumn Gold. U. pumila × U. davidiana var. japonica. USA, 1975.
• Ulmus Stavast. Netherlands. c.1985.
• Ulmus Urban. U. pumila × (Commelin × (U. pumila × U. minor Hoersholmiensis)). USA.
• Ulmus Warnoux (Vada™) (Plantyn × Plantyn selfed). Netherlands, 2006.
• Ulmus Willis. U. pumila × U. rubra? USA, 1958.
• and others without formal hybrid names.

[edit] Cultivars of unconfirmed derivation

• Alata, Alksuth, Argenteo-Marginata, Bea Schwarz, Berardii, Christine Buisman, Folia Rhomboidea, Folia rubra, Folia Variegata Pendula, Globosa, Hamburg, Hertfordensis angustifolia, Hertfordensis latifolia, Jalaica, Kansas Hybrid, Klemmer, Klemmer Blanc, Koopmannii, Lombartsii, Marmorata, Myrtifolia, Nemoralis, Nigrescens, Pitteurs, Planeroides, Planifolia, Pyramidalis Bertini, Rotundifolia, Rubra, Rufa, Scampstoniensis, Sericea, Variegata Nova, Webbiana.

[edit] Misidentified cultivars

• Pitteurs Pendula

[edit] References

• Armstrong, J. V. & Sell, P. D. (1996). A revision of the British elms (Ulmus L., Ulmaceae): the historical background. Bot. J. Linn. Soc. 120: 39-50.
• Bean, W. J. (1981). Trees and shrubs hardy in Great Britain, 7th edition. Murray, London.
• Brasier, C. M. (1996). New horizons in Dutch elm disease control. Pages 20-28 in: Report on Forest Research 1996. Forestry Commission. HMSO, London, UK.
• Brookes, A. H. (2006). An evaluation of disease-resistant hybrid and exotic elms as larval host plants for the White-letter Hairstreak butterfly Satyrium w-album, Part 1. Butterfly Conservation, Lulworth, UK.
• Burdekin, D. A. & Rushforth, K. D. (Revised by Webber J. F. 1996). Elms resistant to Dutch elm disease. Arboricultural Research Note 2/96. Arboricultural Advisory and Information Service, Alice Holt, Farnham, UK.
• Collin, E. (2001). Elm. In Teissier du Cros (Ed.) (2001) Forest Genetic Resources Management and Conservation. France as a case study. Ministry of Agriculture and Fisheries, Bureau of Genetic Resources. INRA DIC. France.
• Cornell University: Elm hybrids (pdf file)
• Elwes, H. J. & Henry, A. (1913). The Trees of Great Britain & Ireland. Vol. VII. pp 1848-1929. Private publication [3]
• 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, USA. [4]
• Green, P. S. (1964). Registration of cultivar names in Ulmus. Arnoldia, Vol. 24. Arnold Arboretum, Harvard University. [5]
• Melville, R. & Heybroek, H. (1971). Elms of the Himalaya. Kew Bulletin, Vol. 26 (1). Kew, London.
• Northern Arizona University: Elm trials.
• Richens, R. H. (1983). Elm. Cambridge University Press.
• Santamour, J., Frank, S. & Bentz, S. (1995). Updated checklist of elm (Ulmus) cultivars for use in North America. Journal of Arboriculture, 21:3 (May 1995), 121-131. International Society of Arboriculture, Champaign, Illinois, USA.
• Santini, A., Fagnani, A., Ferrini, F. & Mittempergher, L. (2002). 'San Zanobi' & 'Plinio' Elm Trees. HortScience, Vol. 37 (7) : 1139-1141. Dec. 2002.
• Smalley, E. B. & Guries, R. P. (1993). Breeding Elms for Resistance to Dutch Elm Disease. Annual Review of Phytopathology Vol. 31 : 325-354. Palo Alto, California.
• Ware, G. (1995). Little-known elms from China: landscape tree possibilities. Journal of Arboriculture, (Nov. 1995). International Society of Arboriculture, Champaign, Illinois, USA. [6].