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 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.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.
Pests and diseases No information available.
Cultivation The tree is very rare in cultivation.
References
External links efloras.org: U. harbinensis description