Ulmus laevis 'Colorans'

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Ulmus laevis 'Colorans'
Species Ulmus laevis
Cultivar 'Colorans'
Origin Europe

The European White Elm cultivar Ulmus laevis 'Colorans' was listed as U. effusa (: laevis) var. colorans by Kirchner[1] in Petzold[2] & Kirchner, Arboretum Muscaviense (1864).[3]

Peter Shaw Green (1964) suggested that Herder's U. campestris Linn. rubescens, described in Gartenflora (1871),[4] by its name a wych elm cultivar with "reddening leaves", from Yelagin Island, may have been an earlier listing of a 'Colorans'-type U. laevis under a mistaken species name.[5]


The tree was described by Kirchner as having leaves turning a rich scarlet red in autumn, not golden yellow.[3][5]


'Colorans' was rare in cultivation. Kirchner planted two specimens in the Arboretum Muscaviense.[3] A tree said to be of this type stood near Hailsham, East Sussex, UK (on the Cuckoo Trail); regrowth from it survives there (2006). The tree is not known to remain in cultivation elsewhere.


  • Ulmus effusa var. rubescens: Schwerin,[6] Mitteilungen der Deutschen dendrologischen gesellschaft 20: 423, 1911.[7]
  • Ulmus pedunculata (: laevis) var. erubescens: Elwes,[8] in Elwes, H. J. & Henry, A. (1913). The Trees of Great Britain & Ireland. Vol. VII.[9]
  • (?) U. campestris Linn. rubescens: Herder Gartenflora 20: 347 1871.[4]


  1. ^ kiki.huh.harvard.edu [1]
  2. ^ kiki.huh.harvard.edu [2]
  3. ^ a b c Petzold, Carl; Kirchner, Georg (1864). Arboretum Muscaviense. p. 559. 
  4. ^ a b Gartenflora 20 (1871) p.347
  5. ^ a b Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. Arnold Arboretum, Harvard University. 24 (6–8): 41–80. Retrieved 16 February 2017. 
  6. ^ harvard.edu
  7. ^ Mitteilungen der Deutschen Dendrologischen Gesellschaft (1911), p.423
  8. ^ harvard.edu
  9. ^ Elwes, Henry John; Henry, Augustine (1913). The Trees of Great Britain & Ireland. 7. pp. 1851–1855.  Republished 2004 Cambridge University Press, ISBN 9781108069380