Ulmus 'Karagatch'

Elm cultivar
Ulmus 'Karagatch'
'Karagatch' at Kew Gardens, 2007
GenusUlmus
Hybrid parentageU. pumila × U. 'Androssowii'?
Cultivar'Karagatch'
OriginKazakhstan

Ulmus 'Karagatch' is a hybrid cultivar from Turkestan (from a region now part of Turkmenistan), selected in the early 20th century and considered either a backcrossing of U. × androssowii and U. pumila, or simply a cultivar of × androssowii. It was grown from seeds, introduced from Bairam Ali in Russian Turkestan by Arthur P. Davis in the 1930s, as U. 'Karagatch', under which name it was planted at Kew.[1][2]

Description

The Kew specimen had the appearance of a northern European field elm, more tall than broad.[1] 'Karagatch' was described by the US Department of Agriculture (1917) as a "rapid-growing elm", suitable for semi-arid regions, with harder wood than that of American Elm.[2]

  • 'Karagatch' at Kew Gardens, 1990[3]
    'Karagatch' at Kew Gardens, 1990[3]

Pests and diseases

No information available.

Cultivation

'Karagatch' was present at Kew and in The Hague from the early 1930s.[3] The Kew specimen was felled in 2015 as 'unsafe'. It was cloned and remains in cultivation (see 'Accessions').

Etymology

The name 'karagatch' (:'black tree' in the Turkic languages, widely used for 'elm') has historically also been applied to U. minor 'Umbraculifera' (syn. U. densa) from the same region [1], and more loosely to field elm found in Turkey and to U. pumila found in Mongolia.[4]

Accessions

North America

  • Morton Arboretum, US. As Ulmus × androssowii × U. pumila hybrid. Acc. no. 353-72 [2]

Europe

  • Grange Farm Arboretum, Lincolnshire, UK. Acc. details not known.
  • Wijdemeren City Council, Netherlands. Elm collection, ‘s-Gravelandsevaartweg, Loosdrecht, five trees planted 2016

References

  1. ^ a b More, D. & White, J. (2013). Illustrated Trees of Britain and Northern Europe,  p.409. Cassells, London.
  2. ^ a b New Plant Introductions: Descriptions of Imported Seeds and Plants, US Dept. of Agriculture, Washington 1917
  3. ^ a b "Herbarium specimen - L.1582328". Botany catalogues. Naturalis Biodiversity Center. Juvenile long shoot (?); sheet described as 'Karagatch elm'; Den Haag specimen via Kew Gardens, 1931
  4. ^ de Roerich, G. (1931). Trails to Inmost Asia. Yale University Press.
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Elm species, varieties, hybrids, hybrid cultivars and species cultivars
Species, varieties and subspecies
  • U. alata (Winged elm)
  • U. americana (American elm)
  • U. americana var. floridana (Florida elm)
  • U. bergmanniana (Bergmann's elm)
  • U. bergmanniana var. bergmanniana
  • U. bergmanniana var. lasiophylla
  • U. castaneifolia (Chestnut-leafed or multinerved elm)
  • U. changii (Hangzhou elm)
  • U. changii var. changii
  • U. changii var. kunmingensis (Kunming elm)
  • U. chenmoui (Chenmou or Langya Mountain elm)
  • U. chumlia
  • U. crassifolia (Cedar or Texas cedar elm)
  • U. davidiana (David or Father David elm)
  • U. davidiana var. davidiana
  • U. davidiana var. japonica (Japanese elm)
  • U. elongata (Long raceme elm)
  • U. gaussenii (Anhui or hairy elm)
  • U. glabra (Wych or scots elm)
  • U. glaucescens (Gansu elm)
  • U. glaucescens var. glaucescens
  • U. glaucescens var. lasiocarpa (hairy-fruited glaucescent elm)
  • U. harbinensis (Harbin elm)
  • U. ismaelis
  • U. laciniata (Manchurian cut-leaf or lobed elm)
  • U. laciniata var. nikkoensis (Nikko elm)
  • U. laevis (European white elm)
  • U. laevis var. celtidea
  • U. laevis var. parvifolia
  • U. laevis var. simplicidens
  • U. lamellosa (Hebei elm)
  • U. lanceifolia (Vietnam elm)
  • U. macrocarpa (Large-fruited elm)
  • U. macrocarpa var. glabra
  • U. macrocarpa var. macrocarpa
  • U. mexicana (Mexican elm)
  • U. microcarpa (Tibetan elm)
  • U. minor (Field elm)
  • U. minor subsp. minor
  • U. minor var. italica
  • U. parvifolia (Chinese or lacebark elm)
  • U. parvifolia var. coreana (Korean elm)
  • U. prunifolia (Cherry-leafed elm)
  • U. pseudopropinqua (Harbin spring elm)
  • U. pumila (Siberian elm)
  • U. rubra (Slippery elm)
  • U. serotina (September elm)
  • U. szechuanica (Szechuan (Sichuan) or red-fruited elm)
  • U. thomasii (Rock or cork elm)
  • U. uyematsui (Alishan elm)
  • U. villosa (Cherry-bark or marn elm)
  • U. wallichiana (Himalayan or kashmir elm)
  • U. wallichiana subsp. wallichiana
  • U. wallichiana subsp. xanthoderma
  • U. wallichiana var. tomentosa
Disputed species, varieties and subspecies
  • U. boissieri
  • U. minor subsp. canescens (Grey, grey-leafed or hoary elm)
  • U. elliptica
Hybrids
  • U. davidiana var. japonica × U. minor
  • U. × arbuscula
  • U. × arkansana
  • U. × brandisiana
  • U. × diversifolia
  • U. × hollandica (Dutch elm)
  • U. × hollandica var. insularum
  • U. × intermedia
  • U. × mesocarpa
Species cultivars
American elm
Cedar elm
Chinese elm
European white elm
Field elm
Japanese elm
Siberian elm
Winged elm
Wych elm
Hybrid cultivars
Dutch elm
U. × intermedia
Unconfirmed derivation cultivarsFossil elms
  • U. okanaganensis