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Ulmus glaucescens var. lasiocarpa

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Ulmus glaucescens var. lasiocarpa
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Ulmaceae
Genus: Ulmus
Species:
Variety:
U. g. var. lasiocarpa
Trinomial name
Ulmus glaucescens var. lasiocarpa

Ulmus glaucescens var. lasiocarpa Rehder, named the hairy-fruited glaucescent elm in the United States, is a Chinese tree found along rivers and mountain slopes at elevations of 2500–2600 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. March–May.".[1]

Pests and diseases

The tree was heavily damaged by the elm leaf beetle Xanthogaleruca luteola in trials in Oklahoma.[2]

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. [1]
  2. ^ "Elm Leaf Beetle Survey". Archived from the original on 2011-07-19. Retrieved 17 July 2017.