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Ulmus glaucescens var. glaucescens

Ulmus glaucescens var. glaucescens
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Rosales
Family: Ulmaceae
Genus: Ulmus
Species:
U. glaucescens

Variety:
U. g. var. glaucescens
Trinomial name
Ulmus glaucescens var. glaucescens

Ulmus glaucescens var. glaucescens is a Chinese tree endemic to mountain slopes at elevations of 2000–2400 m in the provinces of Gansu, Hebei, Henan, Liaoning, Nei Mongol, Ningxia, eastern Qinghai, Shaanxi, Shandong, and Shanxi.

Description

The variety is distinguished by a "Samara glabrous except stigmatic surface pubescence in notch. Fl. and fr. March–May.".[1]

Pests and diseases

No information available.

Cultivation

The tree is very rare in cultivation beyond China.

Accessions

North America

Europe

  • Grange Farm Arboretum, Lincolnshire, UK. Two grafted trees from cuttings ex Morton. Acc. no. 1130.

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]
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