Ulmus harbinensis
Ulmus harbinensis | |
---|---|
Scientific classification | |
Kingdom: | Plantae |
(unranked): | Angiosperms |
(unranked): | Eudicots |
(unranked): | Rosids |
Order: | Rosales |
Family: | Ulmaceae |
Genus: | Ulmus |
Species: | U. harbinensis |
Binomial name | |
Ulmus harbinensis Nie & Huang | |
Ulmus harbinensis Nie & Huang, also known as the Harbin Elm, is a small elm found only in the province of Heilongjang in the northeastern extremity of China, where it occurs in mixed forest.
Description
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
No information available.
Cultivation
The tree is very rare in cultivation beyond China.
Accessions
- North America
- Brenton Arboretum, Dallas Center, Iowa. No accession details available.
- Morton Arboretum. Acc. no. 585-2006.
- NCRPI Station, Iowa State University, Ames. Acc. no. Ames 29261.
- U S National Arboretum, Washington, D.C., USA. Acc. no. 66829.
- Europe
- Grange Farm Arboretum, Sutton St James, Lincolnshire, UK. Juvenile trees (2015) from cuttings ex. Morton Arboretum on U. glabra rootstocks. Acc. no. 1071.
References
- ↑ 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.
- ↑ "Ulmus harbinensis_EOL".
This article is issued from Wikipedia - version of the Tuesday, May 03, 2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.