Ulmus macrocarpa var. glabra Nie & Huang is restricted to mixed forests in the Chinese province of Heilongjiang.[1][2]
Description
The tree is distinguished by a "leaf blade subelliptic, smooth, with tufted hairs in vein axil, base oblique, apex acuminate to narrowly acuminate. Samara smooth, glabrous, wings thin. Fl. Apr.–May, fr. May.–Jun".[1]
Pests and diseases
No information available.
Cultivation
The tree is not known to be in cultivation beyond China.
References
^ abFu, 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]
^Nie, S. Q. & Huang, K. Q. (1987). Bull. Bot. Res. (7)1: 153, 1987