Ulmus davidiana var. davidiana

Ulmus davidiana var. davidiana is variety of elm. The tree is restricted to the Chinese provinces of Hebei, Henan, Shaanxi and Shanxi.

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.

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 http://www.usna.usda.gov/index.htm, Washington, D.C., United States. (Listed under synonym U. davidiana var. mandshurica) Acc. nos. 76223, 68982.

Nurseries

Europe

• Pan-global Plants http://www.panglobalplants.com/visiting/, Frampton on Severn, Gloucestershire, UK

References