Ulmus parvifolia 'The Thinker'

The Chinese Elm cultivar Ulmus parvifolia 'The Thinker' was selected by M. Hayman from a tree on the campus of the University of Louisville, Kentucky.

Ulmus parvifolia 'The Thinker'
SpeciesUlmus parvifolia
Cultivar'The Thinker'
OriginUS

Description

The tree is noted for its rounded habit and exfoliating 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

'The Thinker' is not known to be in cultivation beyond North America.

Etymology

The tree was named for its proximity on campus to the copy of the eponymous statue by Auguste Rodin.

Accessions

None known.

References
  1. Dirr, M. A. Nursery Manager, 9(6): 30-33, 1993.
  2. 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.
  3. "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 17 July 2017.



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