Ulmus harbinensis

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Ulmus harbinensis
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Ulmaceae
Genus: Ulmus
Species:
U. harbinensis
Binomial name
Ulmus harbinensis

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[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. It was one of 12 Chinese species under evaluation by Dr George Ware at the Morton Arboretum, Illinois, in 2009.[3]

Accessions[edit]

North America
Europe

Nurseries[edit]

Europe

References[edit]

  1. ^ 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]
  2. ^ "Ulmus harbinensis_EOL".
  3. ^ Dirr, M. (2009). 'Future Tree Selections'. Western, Spring 2009,  p.8. Western Nursery & Landscape Association, St Joseph, Missouri.[2]