''Ulmus davidiana'' var. ''davidiana''
| Ulmus davidiana var. davidiana | |
|---|---|
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Ulmaceae |
| Genus: | Ulmus |
| Species: | U. davidiana |
| Variety: | U. d. var. davidiana |
| Trinomial name | |
| Ulmus davidiana var. davidiana | |
| Synonyms | |
| |
Ulmus davidiana var. davidiana was distinguished as a variety by L. K. Fu. The tree is restricted to the Chinese provinces of Hebei, Henan, Shaanxi and Shanxi.[1]
Description
The tree has "Bark pale grey to grey. Samara densely pubescent on seed. Fl. and fr. March - May." [1][2]
Pests and diseases
No information available, but Ulmus davidiana has a moderate, 3 out of 5 resistance.
Cultivation
The tree is very rare in cultivation beyond China.
Accessions
North America
- U S National Arboretum , Washington, D.C., United States. (Listed under synonym U. davidiana var. mandshurica) Acc. nos. 76223, 68982.
Nurseries
- Europe
- Pan-global Plants , Frampton on Severn, Gloucestershire, UK
References
- 1 2 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.
- ↑ U. davidiana var. davidiana in the Handbuch der Ulmengewächse
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