Ulmus glaucescens var. lasiocarpa

Ulmus glaucescens var. lasiocarpa
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Rosales
Family: Ulmaceae
Genus: Ulmus
Species: Ulmus glaucescens
Trinomial name
Ulmus glaucescens var. lasiocarpa
Rehder

Ulmus glaucescens var. lasiocarpa Rehder, named the Hairy-fruited Glaucescent Elm in the United States, is found along rivers and mountain slopes at elevations of 25002600 m in the provinces of Hebei, Henan, Liaoning, Nei Mongol, Ningxia, eastern Qinghai, and Shanxi.

Description

The variety is distinguished by a "samara densely pubescent when young, with scattered hairs when mature. Fl. and fr. MarchMay.".[1]

Pests and diseases

The tree was heavily damaged by the Elm Leaf Beetle Xanthogaleruca luteola in trials in Oklahoma .

Cultivation

There are no known cultivars of this taxon, nor is it known to be in commerce.

Accessions

North America

Europe

Australasia

References

  1. 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.
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