Ulmus davidiana var. japonica × U. minor

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Ulmus davidiana var. japonica × U. minor
Hybrid parentageUlmus davidiana var. japonica × U. minor
OriginUS

The hybrid elm Ulmus davidiana var. japonica × U. minor was raised at the Arnold Arboretum before 1924.[1]

Description

The old specimen in the Morton Arboretum, Illinois (2014), is an open-branched tree, more broad than tall, with ascending branches,[2][3] the bark breaking into shallow vertical plates.[4]

Cultivation

One specimen survives at the Morton Arboretum. The hybrid was cultivated at the Baarn elm research institute, The Netherlands, in the mid-20th century.[5][6] It is not known to have been introduced to Australasia.[1]

Accessions

North America
  • Morton Arboretum, Illinois, US. Acc. no. 2351–24. Raised from seed of the tree at the Arnold Arboretum.

References

  1. ^ a b The Morton Arboretum Living Collection, Ulmus list, quercus.mortonarb.org
  2. ^ U. carpinifolia x U. japonica summer, Morton Arboretum, 'Ulmus Series', acorn.mortonarb.org
  3. ^ U. carpinifolia x U. japonica winter, Morton Arboretum, 'Ulmus Series', acorn.mortonarb.org
  4. ^ U. carpinifolia x U. japonica bark, Morton Arboretum, 'Ulmus Series', acorn.mortonarb.org
  5. ^ bioportal.naturalis.nl, specimen WAG.1846960
  6. ^ bioportal.naturalis.nl, specimen WAG.1846959

External links

  • "Herbarium specimen - WAG.1846959". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled U. japonica × Ulmus carpinifolia; samara and new leaves ; Baarn specimen (1962)
  • "Herbarium specimen - WAG.1846960". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled U. japonica × Ulmus carpinifolia; long and short shoots; Baarn specimen (1962)
  • "Herbarium specimen - WAG.1846961". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled U. japonica × Ulmus carpinifolia; flowers; Baarn specimen (1962)
  • "Herbarium specimen - WAG.1846963". Botany catalogues. Naturalis Biodiversity Center. Sheet labelled U. japonica × Ulmus carpinifolia; Baarn specimen (1962)


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