Ulmus wallichiana var. tomentosa

Ulmus wallichiana var. tomentosa
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Rosales
Family: Ulmaceae
Genus: Ulmus
Species: Ulmus wallichiana
Variety: U. wallichiana var. tomentosa
Trinomial name
Ulmus wallichiana var. tomentosa
Melville & Heybroek

Ulmus wallichiana var. tomentosa was identified by Melville & Heybroek after the latter's expedition to the Himalaya in 1960.

Description

The tree is very similar to Ulmus wallichiana subsp. wallichiana, but distinguished by young stems and lower surfaces of leaves densely white-tomentose; the samarae are uniformly hirsute.

Pests and diseases

The species has a high resistance to the fungus Ophiostoma himal-ulmi endemic to the Himalaya and the cause of Dutch elm disease there.

Cultivation

The tree is not known to be in cultivation in the West.

References

This article is issued from Wikipedia - version of the 5/3/2016. The text is available under the Creative Commons Attribution/Share Alike but additional terms may apply for the media files.