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Ulmus 'Argenteo-Marginata'

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Ulmus 'Argenteo-Marginata'
GenusUlmus
Cultivar'Argenteo-Marginata'
OriginGermany

The elm cultivar Ulmus 'Argenteo-Marginata' was first mentioned by Deegen in Deutsches Magazin für Garten- und Blumenkund (1879),[1] as Ulmus campestris elegans foliis argenteo-marginatis. An U. campestris fol. argenteo-marginata Hort. (later just U. campestris argenteo-marginata) was distributed by the Späth nursery, Berlin, from the 1890s to the 1930s.[2][3]

Green considered the tree possibly a cultivar of Field Elm or of U. × hollandica.

Description

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Deegen described the tree as having leaves bordered with white. The leaves were described in a later reference as also being very rough above, weakly pubescent below, and measuring < 8 cm long by < 4 cm broad.[4] Späth catalogues likewise describe white-bordered leaves.[2][3]

Cultivation

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No specimens are known to survive, unless the tree is synonymous with one of two cultivars with sometimes silver-white margined leaves, U. minor 'Argenteo-Variegata' or the rough-leafed U. minor 'Atinia Variegata',[5] both of which match the microphylla foliis marginatis description (Synonymy below). One tree was planted in 1897 as U. campestris fol. argenteis marginatis at the Dominion Arboretum, Ottawa, Canada.[6] Three specimens supplied by the Späth nursery, Berlin, to the RBGE in 1902 as U. campestris fol. argenteo-marginata may survive in Edinburgh, as it was the practice of the Garden to distribute trees about the city (viz. the Wentworth Elm);[7] the current list of Living Accessions held in the Garden per se does not list the plant.[8]

Synonymy

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References

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  1. ^ Deutsches Magazin für Garten- und Blumenkund, 60, 1879
  2. ^ a b Katalog (PDF). Vol. 108. Berlin, Germany: L. Späth Baumschulenweg. 1902–1903. pp. 132–133.
  3. ^ a b Späth, Ludwig (1930). Späth-Buch, 1720-1930. Berlin: Self published. pp. 311–313, 351–352.
  4. ^ Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8). Arnold Arboretum, Harvard University: 41–80. Retrieved 16 February 2017. Späth's catalogues likewise describe leaves bordered with white.
  5. ^ Photograph of white-margined English Elm leaves in Gerald Wilkinson, Epitaph for the Elm, Hutchinson, London 1978, p.67 (ISBN 0099212803 / 0-09-921280-3)
  6. ^ Saunders, William; Macoun, William Tyrrell (1899). Catalogue of the trees and shrubs in the arboretum and botanic gardens at the central experimental farm (2 ed.). pp. 74–75.
  7. ^ Accessions book. Royal Botanic Garden Edinburgh. 1902. pp. 45, 47.
  8. ^ "List of Living Accessions: Ulmus". Royal Botanic Garden Edinburgh. Retrieved 21 September 2016.