Cannabis Indica

Ulmus parvifolia 'Orange Ribbon'
SpeciesUlmus parvifolia
Cultivar'Orange Ribbon'
OriginUS

The Chinese elm cultivar Ulmus parvifolia 'Orange Ribbon' was tested in the United States for cold-hardiness.[1] The name is considered invalid by some, for want of fuller description.

Description[edit]

Not available

Pests and diseases[edit]

The species and its cultivars are highly resistant, but not immune, to Dutch elm disease, and unaffected by the elm leaf beetle Xanthogaleruca luteola.[2]

Cultivation[edit]

Whether the tree is, or has ever been, in commercial cultivation is unknown.[3]

References[edit]

  1. ^ Lindstrom, O. M.; Dirr, M. A. (1991). "Cold hardiness of six cultivars of Chinese elm". HortScience. 26 (3): 290–2. doi:10.21273/HORTSCI.26.3.290. INIST 5458797.
  2. ^ "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 2017-07-17.[full citation needed]
  3. ^ Santamour, Frank S.; Bentz, Susan E. (May 1995). "Updated checklist of elm (Ulmus) cultivars for use in North America". Journal of Arboriculture. 21 (3): 122–31.


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