Ulmus pumila 'Pinnato-ramosa'

Ulmus pumila 'Pinnato-ramosa'
'Pinnato-ramosa', Royal Botanic Garden Edinburgh, planted 1902
SpeciesUlmus pumila
Cultivar'Pinnato-ramosa'
OriginGermany

The Siberian elm cultivar Ulmus pumila 'Pinnato-ramosa' was raised by Georg Dieck, as Ulmus pinnato-ramosa, at the National Arboretum, Zöschen, Germany, from seed collected for him circa 1890 in the Ili valley, Turkestan (then a region of the Russian Empire, now part of Kazakhstan) by the lawyer and amateur naturalist Vladislav E. Niedzwiecki while in exile there.[1][2] Litvinov (1908) treated it as a variety of Siberian elm, U. pumila var. arborea [3] but this taxon was ultimately rejected by Green, who sank the tree as a cultivar: "in modern terms, it does not warrant recognition at this rank but is a variant of U. pumila maintained and known only in cultivation, and therefore best treated as a cultivar".[4] Herbarium specimens confirm that trees in cultivation in the 20th century as U. pumila L. var. arborea Litv. were no different from 'Pinnato-ramosa' (see 'External links').

'Pinnato-ramosa' is one of a number of elms that have at various times been called 'Turkestan Elm'.[5] That name has also been applied to dense-branched Central Asian elms like U. densa and 'Androssowii',[6] to U. turkestanica Regel[7] (which Elwes and Henry confused with 'Pinnato-ramosa' in their Synonymy list[8] but which Regel himself had regarded as a form of field elm[9]), and to U. minor 'Umbraculifera' (which Green considered synonymous with Ulmus turkestanica Regel, naming it U. 'Turkestanica'[4]). The Späth nursery of Berlin, Kew Gardens, and the Arboretum national des Barres treated U. turkestanica Regel as a cultivar distinct from U. pinnato-ramosa and 'Umbraculifera'.[10][11][12][13][14]

  1. ^ Dieck, G. (1894). Neuheiten-Offerten des National-Arboretums zu Zöschen bei Merseburg, 1894/95.
  2. ^ Hansen, N. How to produce that $1000 premium apple, in Minnesota State Hort. Soc. (1900). Trees, fruits & flowers of Minnesota. Vol. 28. 470–1. Forgotten Books, London, 2013. ISBN 9781153197953
  3. ^ U. pumila L. var. arborea Litwinow, in Schedae ad Herbarium Florae Rossicae No. 1992, &: 460 (1908)
  4. ^ a b Green, Peter Shaw (1964). "Registration of cultivar names in Ulmus". Arnoldia. 24 (6–8). Arnold Arboretum, Harvard University: 41–80. Retrieved 16 February 2017.
  5. ^ Trinajstić, I. (2001). Turkestan elm - Ulmus pinnato-ramosa in 'The Dendroflora of Croatia', Šumarski list (:Journal of Forestry) 9–10, CXXV, 2001; 533–537.
  6. ^ Rickmers, W. Rickmer, The Duab of Turkestan, a physiographic sketch and account of some travels (Cambridge, 1913)
  7. ^ Cite error: The named reference Ottawa1899 was invoked but never defined (see the help page).
  8. ^ Elwes, Henry John; Henry, Augustine (1913). The Trees of Great Britain & Ireland. Vol. 7. pp. 1926–1927.
  9. ^ "Literatur". Gartenflora. 33: 28. 1884.
  10. ^ Katalog (PDF). Vol. 108. Berlin, Germany: L. Späth Baumschulenweg. 1902–1903. pp. 132–133.
  11. ^ Accessions book. Royal Botanic Garden Edinburgh. 1902. pp. 45, 47.
  12. ^ Hand-list of trees and shrubs grown in the Arboretum, Kew Gardens (London, 1902), p.623
  13. ^ "List of Living Accessions: Ulmus". Royal Botanic Garden Edinburgh. Retrieved 21 September 2016.
  14. ^ Léon, Pardé (1906). Arboretum national des Barres. Énumération des végétaux ligneux indigènes et exotiques qui y sont cultivées. Paris. p. 250. Retrieved 23 August 2018.{{cite book}}: CS1 maint: location missing publisher (link)