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EspañolULMUS BERGMANNIANA - BERGMANN'S ELM
(Redirected from Bergmann\'s Elm)
'Bergmann's Elm ''Ulmus bergmanniana''' C. K. Schneid. is a deciduous tree found across much of China in forests at elevations of between 1500 m and 3000 m. It is very closely related to the Wych Elm '' Ulmus glabra''. The tree can reach a height of 26 m with a wide-spreading crown, and a trunk of about 0.9 m d.b.h. (diameter at breast height). The bark is longitudinally fissured, and varies in colour from greyish-white to dark grey. The leaves range from obovate to elliptic in shape, and are up to 16 cm long and bluish-green in colour [1]. The wind-pollinated petal-less flowers are produced on second-year shoots in February, followed by generally orbicular samarae up to 16 mm in diameter. The shoots do not possess the corky wings characteristic of many other elm species.
In trials [2] in Oklahoma it was found to be eschewed by Elm Leaf Beetles.
The tree was introduced to the West in 1900.
None known.
None known.
★ Denver Botanic Gardens, (no acc. no. available).
★ Morton Arboretum, acc. no. 44-95. Obtained from Yunnan Province, China.
★ Royal Botanic Gardens Edinburgh, UK, acc. no. 20030262, origin unknown
★ Royal Botanic Gardens, Kew, UK, acc. no. 1973-11708. Tree planted 1972, origin undisclosed.
★ Sunshine Nursery, Oklahoma [3].
★ Arborvillage, Holt, Missouri [4].
None known.
★ 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. [5]
'Bergmann's Elm ''Ulmus bergmanniana''' C. K. Schneid. is a deciduous tree found across much of China in forests at elevations of between 1500 m and 3000 m. It is very closely related to the Wych Elm '' Ulmus glabra''. The tree can reach a height of 26 m with a wide-spreading crown, and a trunk of about 0.9 m d.b.h. (diameter at breast height). The bark is longitudinally fissured, and varies in colour from greyish-white to dark grey. The leaves range from obovate to elliptic in shape, and are up to 16 cm long and bluish-green in colour [1]. The wind-pollinated petal-less flowers are produced on second-year shoots in February, followed by generally orbicular samarae up to 16 mm in diameter. The shoots do not possess the corky wings characteristic of many other elm species.
In trials [2] in Oklahoma it was found to be eschewed by Elm Leaf Beetles.
The tree was introduced to the West in 1900.
| Contents |
| Cultivars |
| Hybrid cultivars |
| Arboreta etc accessions |
| North America |
| Europe |
| Nurseries |
| North America |
| Europe |
| References |
Cultivars
None known.
Hybrid cultivars
None known.
Arboreta etc accessions
North America
★ Denver Botanic Gardens, (no acc. no. available).
★ Morton Arboretum, acc. no. 44-95. Obtained from Yunnan Province, China.
Europe
★ Royal Botanic Gardens Edinburgh, UK, acc. no. 20030262, origin unknown
★ Royal Botanic Gardens, Kew, UK, acc. no. 1973-11708. Tree planted 1972, origin undisclosed.
Nurseries
North America
★ Sunshine Nursery, Oklahoma [3].
★ Arborvillage, Holt, Missouri [4].
Europe
None known.
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. [5]
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