Ulmus pseudopropinqua
| Ulmus pseudopropinqua | |
|---|---|
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Ulmaceae |
| Genus: | Ulmus |
| Species: | U. pseudopropinqua
|
| Binomial name | |
| Ulmus pseudopropinqua Wang & Li
| |
Ulmus pseudopropinqua Wang & Li, occasionally known in the United States as the Harbin spring elm, is a small deciduous tree found only in Heilongjiang, the northeasternmost province in China.[1] The tree has not been studied comprehensively, and it has been speculated it may be a natural hybrid of Ulmus davidiana var. japonica and Ulmus macrocarpa.[2]
Description
Regarded as a handsome tree, U. pseudopropinqua grows to a height of 10 m. The wing-less twigs bear small
Pests and diseases
Resistant to
Cultivation
The species is one of a range of rare Chinese elms evaluated as landscape plants at the Morton Arboretum, Illinois. One example is known to grow in the UK, but is not known to have been introduced to continental Europe or Australasia. There are no known cultivars of this taxon, nor is it known to be in commerce beyond the United States.
Accessions
North America
- Brenton Arboretum, US. No accession details available
- Morton Arboretum, US. Acc. no. 587-2006. Wild collected in Harbin, China.
- United States National Arboretum, Washington, D.C., US. Acc. no. 73233.
Europe
- Grange Farm Arboretum [4], Lincolnshire, UK. Acc. no. 1091.
References
- ^ a b 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. [1]
- ^ a b Liou, T. N. (Ed.) (1955). Illustrated flora of the ligneous plants of north east China. Academic Press, Beijing. (in Chinese)
- ^ Ware, G. (1995). Little-known elms from China: landscape tree possibilities. Journal of Arboriculture, (Nov. 1995). International Society of Arboriculture, Champaign, Illinois, US. [2] Archived 2007-11-30 at the Wayback Machine
- S2CID 42980569.
- S2CID 7520439.