Ulmus lanceifolia: Difference between revisions
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*''Ulmus tonkinensis'' <small>Gagnep.</small> (where found in China and Vietnam). |
*''Ulmus tonkinensis'' <small>Gagnep.</small> (where found in China and Vietnam). |
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'''''Ulmus lanceifolia''''' <small>Roxburgh, ex Wall.</small> [http://www.plant.ac.cn/dan_tu/8/6856.htm], occasionally known as the '''Vietnam Elm''', is a very large tree endemic to a wide area of southern [[Asia]]. Its range extends southeast and eastwards from [[Darjeeling]] in the [[Himalaya]], through [[Bangladesh]], southern |
'''''Ulmus lanceifolia''''' <small>Roxburgh, ex Wall.</small> [http://www.plant.ac.cn/dan_tu/8/6856.htm], occasionally known as the '''Vietnam Elm''', is a very large tree endemic to a wide area of southern [[Asia]]. Its range extends southeast and eastwards from [[Darjeeling]] in the [[Himalaya]], through [[Bangladesh]], southern China, [[Myanmar]] (formerly [[Burma]]), [[Thailand]], [[Laos]], [[Vietnam]] and on discontinuously into [[Indonesia]], straddling the [[Equator]] in [[Sumatra]] and [[Sulawesi|Celebes]]. |
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== Description == |
== Description == |
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==Pests and diseases== |
==Pests and diseases== |
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''U. lanceifolia'' was found to be among the least suitable elms for feeding and reproduction by the adult elm leaf beetle ''[[Xanthogaleruca luteola]]'' <ref name=Miller,a>Miller, F. and Ware, G. (2001). Resistance of Temperate Chinese Elms (Ulmus sp.) to Feeding of the Adult Elm Leaf Beetle (Coleoptera: Chrysomelidae). ''Journal of Economic Entomology'' 94 (1): 162-166. 2001. Entom. Soc. of America.</ref> [http://www.bioone.org/doi/full/10.1603/0022-0493%282001%29094%5B0162%3AROTCEU%5D2.0.CO%3B2] and feeding by the Japanese Beetle ''[[Popillia japonica]]'' <ref name=Miller,b>Miller, F., Ware, G. and Jackson, J. (2001). Preference of Temperate Chinese Elms (Ulmus sp.) for the Feeding of the Japanese Beetle (Coleoptera: Scarabaeidae). ''Journal of Economic Entomology'' 94 (2). 445-448. 2001. Entom. Soc. of America.</ref> [http://www.bioone.org/doi/full/10.1603/0022-0493%282001%29094%5B0445%3APOTCEU%5D2.0.CO%3B2] in the |
''U. lanceifolia'' was found to be among the least suitable elms for feeding and reproduction by the adult elm leaf beetle ''[[Xanthogaleruca luteola]]'' <ref name=Miller,a>Miller, F. and Ware, G. (2001). Resistance of Temperate Chinese Elms (Ulmus sp.) to Feeding of the Adult Elm Leaf Beetle (Coleoptera: Chrysomelidae). ''Journal of Economic Entomology'' 94 (1): 162-166. 2001. Entom. Soc. of America.</ref> [http://www.bioone.org/doi/full/10.1603/0022-0493%282001%29094%5B0162%3AROTCEU%5D2.0.CO%3B2] and feeding by the Japanese Beetle ''[[Popillia japonica]]'' <ref name=Miller,b>Miller, F., Ware, G. and Jackson, J. (2001). Preference of Temperate Chinese Elms (Ulmus sp.) for the Feeding of the Japanese Beetle (Coleoptera: Scarabaeidae). ''Journal of Economic Entomology'' 94 (2). 445-448. 2001. Entom. Soc. of America.</ref> [http://www.bioone.org/doi/full/10.1603/0022-0493%282001%29094%5B0445%3APOTCEU%5D2.0.CO%3B2] in the United States. |
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==Cultivation== |
==Cultivation== |
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==Accessions== |
==Accessions== |
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===Europe=== |
===Europe=== |
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*[[Grange Farm Arboretum]], [[Sutton St James]], [[Spalding, Lincolnshire|Spalding]], [[Lincolnshire]], |
*[[Grange Farm Arboretum]], [[Sutton St James]], [[Spalding, Lincolnshire|Spalding]], [[Lincolnshire]], UK. Saplings grown from seed sent in 2013 by [[Xishuangbanna Tropical Botanical Garden]], southern [[Yunnan]], China. Acc. no. not known. |
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==References== |
==References== |
Revision as of 21:52, 14 July 2016
Ulmus lanceifolia | |
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Scientific classification | |
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Species: | U. lanceifolia
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Binomial name | |
Ulmus lanceifolia | |
Synonyms | |
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Ulmus lanceifolia Roxburgh, ex Wall. [2], occasionally known as the Vietnam Elm, is a very large tree endemic to a wide area of southern Asia. Its range extends southeast and eastwards from Darjeeling in the Himalaya, through Bangladesh, southern China, Myanmar (formerly Burma), Thailand, Laos, Vietnam and on discontinuously into Indonesia, straddling the Equator in Sumatra and Celebes.
Description
Ulmus lanceifolia can reach a maximum height of 45 m, placing it on a par with the English Elm, but with pendulous branches; the bark of the trunk exfoliates in thin scales. The leaves, borne on wing-less branchlets, are narrow, generally lanceolate, < 10 × 3.5 cm, and thick. The tree is deciduous in the north of its range, where it can occur at altitudes of up to 2500 m, but evergreen in the tropics. Given the latitudinal range, there is inevitably a substantial variation in its flowering time, beginning in October in the north, but advancing to February–March in the south. The obovate samarae are 12–30 mm long by 11–24 mm broad.[1][2]
Pests and diseases
U. lanceifolia was found to be among the least suitable elms for feeding and reproduction by the adult elm leaf beetle Xanthogaleruca luteola [3] [3] and feeding by the Japanese Beetle Popillia japonica [4] [4] in the United States.
Cultivation
Not cold-hardy, the species is very rare in cultivation; specimens introduced to the Netherlands from the Himalaya by Heybroek in the 1960s all perished.[5]
Accessions
Europe
- Grange Farm Arboretum, Sutton St James, Spalding, Lincolnshire, UK. Saplings grown from seed sent in 2013 by Xishuangbanna Tropical Botanical Garden, southern Yunnan, China. Acc. no. not 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. [1]
- ^ Melville, R. & Heybroek, H. M. (1971). The Elms of the Himalaya. Kew Bulletin Vol. 26 (1). Royal Botanic Garden, Kew, London.
- ^ Miller, F. and Ware, G. (2001). Resistance of Temperate Chinese Elms (Ulmus sp.) to Feeding of the Adult Elm Leaf Beetle (Coleoptera: Chrysomelidae). Journal of Economic Entomology 94 (1): 162-166. 2001. Entom. Soc. of America.
- ^ Miller, F., Ware, G. and Jackson, J. (2001). Preference of Temperate Chinese Elms (Ulmus sp.) for the Feeding of the Japanese Beetle (Coleoptera: Scarabaeidae). Journal of Economic Entomology 94 (2). 445-448. 2001. Entom. Soc. of America.
- ^ Heybroek, H. M., Goudzwaard, L, Kaljee, H. (2009). Iep of olm, karakterboom van de Lage Landen (:Elm, a tree with character of the Low Countries). KNNV, Uitgeverij. ISBN 9789050112819