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Ulmus parvifolia 'Cork Bark'

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(Redirected from Ulmus 'Cork Bark') Elm cultivar
Ulmus parvifolia 'Cork Bark'
SpeciesUlmus parvifolia
Cultivar'Cork Bark'
OriginNorth America

The Chinese Elm cultivar Ulmus parvifolia 'Cork Bark' or 'Corticosa is a North American clone.

Description

By 8 to 10 years old, the bark breaks into thick, rough, irregular dark grey scales with deep fissures, the scales being present also on branches. Leaves are around 4 cm long, light green in spring, middle green in summer, turning bright yellow in fall. Tree grows some 20 ft tall and correspondingly wide. Described by Dawes Arboretum as "a fast-growing, tough tree".

Pests and diseases

The species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the Elm Leaf Beetle Xanthogaleruca luteola. 'Cork Bark' is susceptible to elm yellows.

Cultivation

The tree is sometimes chosen for bonsai, on account of its bark.

Synonymy

  • Ulmus parvifolia Jacq. corticosa

Accessions

North America

References

  1. ^ Ulmus parvifolia 'Cork Bark', The Dawes Arboretum; dawesarb.arboretumexplorer.org
  2. "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 17 July 2017.
Elm species, varieties, hybrids, hybrid cultivars and species cultivars
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American elm
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European white elm
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Japanese elm
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U. × intermedia
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