''Ulmus davidiana'' var. ''davidiana'' is
variety of
elm. The tree is restricted to the Chinese provinces of
Hebei,
Henan,
Shaanxi and
Shanxi
Shanxi (; ; formerly romanised as Shansi) is a landlocked province of the People's Republic of China and is part of the North China region. The capital and largest city of the province is Taiyuan, while its next most populated prefecture-lev ...
.
[Fu, L., Xin, Y. & Whittemore, A. (2002). Ulmaceae, in Wu, Z. & Raven, P. (eds) ''Flora of China'', Vol. 5 (Ulmaceae through Basellaceae). Science Press, Beijing, and Missouri Botanical Garden Press, St. Louis, USA]
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Description
The tree has "Bark pale grey to grey. Samara densely pubescent on seed. Fl. and fr. March - May." The pubescence over the seed distinguishes var. ''davidiana'' from var. ''japonica''.
/ref>
Pests and diseases
No information available, but ''Ulmus davidiana
''Ulmus davidiana'', also known as the David elm, or Father David elm, is a small deciduous tree widely distributed across China, Mongolia, Korea, Siberia, and Japan, where it is found in wetlands along streams at elevations of 2000–2300 m ...
'' has a moderate, 3 out of 5 resistance.
Cultivation
The tree is very rare in cultivation beyond China.
Accessions
North America
* U S National Arboretumbr>
Washington, D.C., United States. (Listed under synonym ''U. davidiana'' var. ''mandshurica'') Acc. nos. 76223, 68982.
Nurseries
;Europe
*Pan-global Plant
Frampton on Severn
Frampton on Severn is a village and civil parish in Gloucestershire, England. The population is 1,432.
Geography
The village is approximately south of Gloucester, at . It lies on the east bank of the River Severn, and on the west bank of the ...
, Gloucestershire, UK
References
Elm species and varieties
Trees of China
Flora of China
Trees of Asia
Ulmus articles missing images
davidiana var. davidiana
{{Ulmaceae-stub