Ulmus macrocarpa var.

glabra Nie & Huang is restricted to mixed forests in the Chinese province of Heilongjiang.

[1][2] 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.

The tree is not known to be in cultivation beyond China.