Ulmus macrocarpa var. glabra

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

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".

Pests and diseases
No information available.

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