Ulmus changii

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iUlmus changii
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Rosales
Family: Ulmaceae
Genus: Ulmus
Species: U. changii
Binomial name
Ulmus changii
Cheng

Ulmus changii is a small deciduous tree found across much of China in forests at elevations of up to 1800 m. The tree can reach a height of 20 m with a trunk of about 0.9 m d.b.h. (diameter at breast height); the bark is dark grey. The leaves are generally ovate, < 11 cm long, glabrescent and smooth when mature. The wind-pollinated petal-less flowers are produced on second-year shoots in March - April, the samarae are almost orbicular, < 35 mm in diameter.

The species is currently (2006) one of a number of rare Chinese elms being assessed for their horticultural potential at the Morton Arboretum, Illinois, but is not known to be in cultivation in Europe or Australasia.


[edit] 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. [1]
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