Chestnut-leafed Elm

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iChestnut-leafed Elm
Chestnut-leafed Elm, aged 15 years
Chestnut-leafed Elm, aged 15 years
Scientific classification
Kingdom: Plantae
Division: Magnoliophyta
Class: Magnoliopsida
Order: Rosales
Family: Ulmaceae
Genus: Ulmus
Species: U. castaneifolia
Binomial name
Ulmus castaneifolia
Hemsley

Chestnut-leafed Elm Ulmus castaneifolia (syns. U. ferruginea, U. multinervis) is a small deciduous tree found across much of China in broadleaved forests at elevations of between 500 m and 1600 m. The tree can reach a height of 20 m with a trunk of about 0.5 m d.b.h. (diameter at breast height). The bark is thick with a pronounced corky layer, and is longitudinally fissured.

Chestnut-leafed Elm foliage, July
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Chestnut-leafed Elm foliage, July

The leaves are generally narrow, ranging from obovate to elliptic in shape, and are up to 15 cm long, densely hirsute when young. The wind-pollinated petal-less flowers are produced on second-year shoots in February; the samarae are mostly obovate < 30 mm x 16 mm. The branchlets are devoid of corky wings.

The species is very rare in cultivation, but is currently (2006) being assessed for its horticultural potential at the Morton Arboretum, Illinois. A specimen was planted at the Sir Harold Hillier Gardens, Hampshire, England, in 1994, and another is held by the Denver Botanic Gardens.

[edit] References

  • 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]
  • White, J. & More, D. (2003). Trees of Britain & Northern Europe. Cassell's, London.
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