Ulmus davidiana var. davidiana is variety of elm. The tree is restricted to the Chinese provinces of Hebei, Henan, Shaanxi and Shanxi.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.
Description The tree has "Bark pale grey to grey. Samara densely pubescent on seed. Fl. and fr. March - May." The pubescence over the seed distinguishes var. davidiana from var. japonica.U. davidiana var. davidiana description, Flora of China, vol.5 p.7, efloras.orgU. davidiana var. davidiana fruit and leaves illustration, Flora of China, efloras.orgU. davidiana var. davidiana in the Handbuch der Ulmengewächse
Pests and diseases No information available, but Ulmus davidiana has a moderate, 3 out of 5 resistance.
Cultivation The tree is very rare in cultivation beyond China.
Accessions North America U S National Arboretum , Washington, D.C., United States. (Listed under synonym U. davidiana var. mandshurica) Acc. nos. 76223, 68982.
Nurseries Europe Pan-global Plants , Frampton on Severn, Gloucestershire, UK
References