The Chinese Elm cultivar Ulmus parvifolia 'Stone's Dwarf' was commercially released in the US in 1978.

Description

The clone is distinguished by its rough, but not corky, bark.[1][2]

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.[3]

Cultivation

'Stone's Dwarf' is not known to be in cultivation beyond North America.

Accessions

None known.

References

  1. ^ Santamour, Frank S.; Bentz, Susan E. (May 1995). "Updated Checklist of Elm (Ulmus) Cultivars for use in North America". Journal of Arboriculture. 21 (3): 122–131. Retrieved 20 June 2016.
  2. ^ Stone, W. B., Intern. Bonsai, 3(1): 16-17, 1981.
  3. ^ "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 17 July 2017.