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Ulmus 'Koopmannii'

Elm cultivar

Summary

Elm cultivar

FieldValue
nameUlmus 'Koopmannii'
imageFile:Ulmus carpinifolia var. koopmanni.jpg
image_caption'Koopmannii' at Arnold Arboretum, 1941
cultivar'Koopmannii'
genusUlmus
originTurkestan

The elm cultivar Ulmus ''*Koopmannii'''' was cloned from a specimen raised from seed sent from Margilan, Turkestan (now in eastern Uzbekistan) by Koopmann to the Botanischer Garten Berlin http://www.bgbm.org/ c. 1880. Noted in 1881 as a 'new elm', it was later listed by the Späth nursery (Berlin, Germany), catalogue no. 62, p. 6. 101, 1885, as Ulmus Koopmannii, and later by Krüssmann in 1962 as a cultivar of U. minor. Margilan is beyond the main range of Ulmus minor. Augustine Henry, who saw the specimens in Berlin and Kew, believed Koopmann's Elm to be a form of Ulmus pumila (Siberian elm), a view not shared by Rehder of the Arbold Arboretum. Ascherson & Graebner said the tree produced 'very numerous root shoots', which suggests it may be a cultivar of U. minor. Until DNA analysis can confirm its origin, the cultivar is now treated as *Ulmus'' 'Koopmannii'.

Description

The tree is said to resemble Ulmus minor 'Umbraculifera' in form, though more globose in outline, with a dense, narrowish oval crown, a height to 35 ft, and small, ovate leaves

Cultivation

Koopman claimed that 'Koopmannii' was traditionally grown in cemeteries in Turkestan, where it occasionally reached a great size, The tree was introduced to the US in the late 19th century, appearing as a "new variety" in the 1897 catalogue of the Mount Hope Nursery (also known as Ellwanger and Barry) of Rochester, New York. A specimen was once grown at Kew Gardens, where it performed rather poorly. Specimens supplied by Späth to the RBGE in 1902 as U. campestris 'Koopmannii' may survive in Edinburgh as it was the practice of the Garden to distribute trees about the city (viz. the Wentworth Elm); the current list of Living Accessions held in the Garden per se does not list the plant. U. campestris 'Koopmannii' was marketed in the 1930s by the Hesse Nursery of Weener, Germany.

Synonymy

  • Ulmus carpinifolia 'Koopmannii': Morton Arboretum catalogue, 2006.

Accessions

North America

  • Morton Arboretum, US. Acc. no. 465–72 (as U. carpinifolia (: minor) Koopmannii, Koopmann's Smooth-leaved Elm
  • Dominion Arboretum, Canada. Accession no. 2569

Europe

  • Hortus Botanicus Nationalis, Salaspils, Latvia. acc. no. 18145

References

References

  1. (1881). "Zwei neue Ulmen". Hamburger Garten-und Blumenzeitung.
  2. Krüssmann, Johann Gerd. (1962). "Handbuch der Laubgehölze".
  3. Krüssmann, Johann Gerd. (1984). "Manual of Cultivated Broad-Leaved Trees and Shrubs".
  4. [http://linnaeus.nrm.se/flora/di/ulma/ulmus/ulmuminv.jpg ''Ulmus minor'' range map, linnaeus.nrm.se]
  5. (1913). "The Trees of Great Britain & Ireland".
  6. Rehder, Alfred. (1938). "New species, varieties and combinations from the collections of the Arnold Arboretum". [[Arnold Arboretum]], [[Harvard University]].
  7. Wyman, Donald. (1941-12-19). "Elms grown in America". [[Arnold Arboretum]], [[Harvard University]].
  8. Wyman, Donald. (1951-12-07). "Elms grown in America". [[Arnold Arboretum]], [[Harvard University]].
  9. (1980). "Trees and shrubs of the Dominion Arboretum". Research Branch, Agriculture Canada.
  10. Wyman, Donald. (1951-06-08). "Smaller street trees needed". [[Arnold Arboretum]], [[Harvard University]].
  11. (1913). "Synopsis der mitteleuropäischen Flora".
  12. Lauche, Willhelm. (1883). "Deutsche Dendrologie".
  13. {{Royal Botanic Garden Edinburgh
  14. "Smooth-Leaved Elms - Ulmus carpinifolia 'Wredei' and 'Koopmanii'". cirrusimage.com.
  15. (1899). "Catalogue of the trees and shrubs in the arboretum and botanic gardens at the central experimental farm".
  16. [https://archive.org/details/generalcatalogue1897moun/page/n17. Ellwanger & Barry, Mount Hope Nurseries, Rochester, 1897 catalogue; p.9]
  17. [https://archive.org/details/ellwangerbarrymo1898moun/page/62 Ellwanger & Barry, Mount Hope Nurseries, Rochester, 1898 catalogue; p.62]
  18. (1902). "Accessions book". Royal Botanic Garden Edinburgh.
  19. "List of Living Accessions: Ulmus". Royal Botanic Garden Edinburgh.
  20. (1932). "Preis- und Sortenliste".
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

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