The Chinese Elm

cultivar A cultivar is a type of cultivated plant that people have selected for desired traits and when propagated retain those traits. Methods used to propagate cultivars include: division, root and stem cuttings, offsets, grafting, tissue culture, ...

''Ulmus parvifolia'' 'Lois Hole' is a dwarf variety cloned from 'Frosty'.

Description

The clone is distinguished by the more pronounced white margins on its small leaves.

Pests and diseases

The species and its cultivars are highly resistant, but not immune, to

Dutch elm disease Dutch elm disease (DED) is caused by a member of the sac fungi (Ascomycota) affecting elm trees, and is spread by elm bark beetles. Although believed to be originally native to Asia, the disease was accidentally introduced into Americas, America ...

, and unaffected by the Elm Leaf Beetle '' Xanthogaleruca luteola''.

Cultivation

'Lois Hole' is not known to be in cultivation beyond

North America North America is a continent in the Northern Hemisphere and almost entirely within the Western Hemisphere. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the southeast by South America and the Car ...

Etymology

The cultivar is named for the late Mrs Lois Hole, former

Lieutenant Governor of Alberta The lieutenant governor of Alberta () is the viceregal representative in Alberta of the . The lieutenant governor is appointed in the same manner as the other provincial viceroys in Canada and is similarly tasked with carrying out most of the m ...

and horticulturist.

Accessions

North America

* Chicago Botanic Garden, Glencoe,

Illinois Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. Its largest metropolitan areas include the Chicago metropolitan area, and the Metro East section, of Greater St. Louis. Other smaller metropolita ...

, US. Acc. no. 355–2007.

Nurseries

North America

*Arrowhead Alpine

Fowlerville, Michigan, Fowlerville,

Michigan Michigan () is a state in the Great Lakes region of the upper Midwestern United States. With a population of nearly 10.12 million and an area of nearly , Michigan is the 10th-largest state by population, the 11th-largest by area, and the ...

, US. *Hoot Owl Hollow Nurser

New Marshfield, Ohio, New Marshfield, Ohio, US.

References

External links

Chinese elm cultivar Ulmus articles missing images Ulmus {{Ulmaceae-stub