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词条 Ulmus glaucescens var. glaucescens
释义

  1. Description

  2. Pests and diseases

  3. Cultivation

  4. Accessions

     North America  Europe 

  5. References

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|name = Ulmus glaucescens var. glaucescens
|genus = Ulmus
|species = glaucescens
|varietas = glaucescens
|authority = L. K. Fu
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Ulmus glaucescens var. glaucescens L. K. Fu is 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

  • Morton Arboretum, Illinois, US. Acc. details not known.

Europe

  • Grange Farm Arboretum, Sutton St James, Spalding, 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.  
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6 : Ulmus|Trees of China|Flora of China|Trees of Asia|Ulmus articles missing images|Elm species and varieties

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