The
American elm
''Ulmus americana'', generally known as the American elm or, less commonly, as the white elm or water elm, is a species of elm native to eastern North America. The trees can live for several hundred years. It is a very hardy species that can ...
cultivar
A cultivar is a kind of Horticulture, cultivated plant that people have selected for desired phenotypic trait, traits and which retains those traits when Plant propagation, propagated. Methods used to propagate cultivars include division, root a ...
''Ulmus americana'' 'Aurea' was cloned from a tree discovered by F. L. Temple in
Vermont
Vermont () is a U.S. state, state in the New England region of the Northeastern United States. It borders Massachusetts to the south, New Hampshire to the east, New York (state), New York to the west, and the Provinces and territories of Ca ...
at the end of the 19th century.
[
Temple, F. L. (1880), in Bailey: ''Cycl. Amer. Hort.'' (4): 1880.]
Description
The tree was described simply as having yellow foliage.
Pests and diseases
No specific information available, but the species as a whole is highly susceptible to
Dutch Elm Disease and
Elm Yellows; it is also moderately preferred for feeding and reproduction by the adult Elm Leaf Beetle ''
Xanthogaleruca luteola
''Xanthogaleruca luteola'', commonly known as the elm-leaf beetle, is a beetle species in the family Chrysomelidae that is native to Europe but invasive in other parts of the world.http://cisr.ucr.edu/elm_leaf_beetle.html - Center for Invasive ...
'',
and highly preferred for feeding by the Japanese Beetle ''
Popillia japonica
The Japanese beetle (''Popillia japonica'') is a species of scarab beetle. Due to the presence of natural predators, the Japanese beetle is not considered a pest in its native Japan, but in North America and some regions of Europe, it is a no ...
''
in the United States.
''U. americana'' is also the most susceptible of all the elms to
verticillium wilt
Verticillium wilt is a wilt disease affecting over 350 species of eudicot plants. It is caused by six species of '' Verticillium'' fungi: ''V. dahliae'', ''V. albo-atrum'', ''V. longisporum'', ''V. nubilum'', ''V. theobr ...
.
[Pegg, G. F. & Brady, B. L. (2002). ''Verticillium Wilts''. CABI Publishing. ]
Cultivation
Young trees are grown in Belgium and London, cloned from a tree (now dead) which grew in Illinois.
Synonymy
*''Ulmus americana'' var. ''aurea''
Temple, F. L. ex Rehder , in Bailey: ''Cycl. Amer. Hort.'' (4): 1880.
References
{{Elm species, varieties, hybrids, hybrid cultivars and species cultivars , state=collapsed
American elm cultivar
Ulmus articles with images
Ulmus