Ulmus harbinensis: Difference between revisions
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{{Short description|Species of tree}} |
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'''''Ulmus harbinensis''''' <small>Nie & Huang</small>, also known as the '''Harbin elm''', is a small [[elm]] found only in the province of [[ |
'''''Ulmus harbinensis''''' <small>Nie & Huang</small>, also known as the '''Harbin elm''', is a small [[elm]] found only in the province of [[Heilongjiang]] in the northeastern extremity of China, where it occurs in mixed forest. |
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==Description== |
==Description== |
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==Cultivation== |
==Cultivation== |
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The tree is very rare in cultivation. |
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The tree is very rare in cultivation. It was one of 12 Chinese species under evaluation by Dr [[George Ware]] at the [[Morton Arboretum]], [[Illinois]], in 2009.<ref name=Dirr>Dirr, M. (2009). 'Future Tree Selections'. ''Western'', Spring 2009, p.8. Western Nursery & Landscape Association, St Joseph, Missouri.[https://www.yumpu.com/en/document/view/52250445/dr-michael-a-dirr-offering-future-tree-selections/4]</ref> |
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==Accessions== |
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;North America |
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*[[Brenton Arboretum]], US. No accession details available |
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*Morton Arboretum, US. Acc. no. 585-2006. |
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*NCRPI Station, [[Iowa State University]], [[Ames, Iowa|Ames]], US. Acc. no. Ames 29261. |
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*[[United States National Arboretum]], [[Washington, D.C.]], US. Acc. no. 66829. |
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;Europe |
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*[[Grange Farm Arboretum]], [[Lincolnshire]], UK. Acc. no. 1071. Juvenile trees (2015) from cuttings ex. Morton Arboretum on ''U. glabra'' rootstocks. |
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==Nurseries== |
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;Europe |
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*Pan-global Plants [http://www.panglobalplants.com/visiting/], [[Frampton on Severn]], [[Gloucestershire]], UK |
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==References== |
==References== |
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{{Reflist}} |
{{Reflist}} |
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==External links== |
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*[http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242353358 efloras.org: ''U. harbinensis'' description] |
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{{Elm species, varieties, hybrids, hybrid cultivars and species cultivars |state=collapsed}} |
{{Elm species, varieties, hybrids, hybrid cultivars and species cultivars |state=collapsed}} |
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Latest revision as of 12:46, 22 December 2023
| Ulmus harbinensis | |
|---|---|
| |
| Harbin elm leaves | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Rosales |
| Family: | Ulmaceae |
| Genus: | Ulmus |
| Species: | U. harbinensis
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| Binomial name | |
| Ulmus harbinensis | |
Ulmus harbinensis Nie & Huang, also known as the Harbin elm, is a small elm found only in the province of Heilongjiang in the northeastern extremity of China, where it occurs in mixed forest.
Description
[edit]A robust, sturdy tree which can reach a height of < 15 m, with a slender trunk of 0.3 m d.b.h. The bark is irregularly but finely fissured. The wing-less glabrous branchlets bear small, obovate, coarsely pubescent leaves < 5.5 cm long by 3.5 cm broad. The wind-pollinated apetalous flowers appear in April; the generally orbicular samarae in June.[1][2]
Pests and diseases
[edit]No information available.
Cultivation
[edit]The tree is very rare in cultivation.
References
[edit]- ^ 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]
- ^ "Ulmus harbinensis_EOL".
External links
[edit]