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Words near each other
・ Ulmus pumila 'Manchu'
・ Ulmus pumila 'Mr. Buzz'
・ Ulmus pumila 'Park Royal'
・ Ulmus pumila 'Pendula'
・ Ulmus glabra 'Pendula Variegata'
・ Ulmus glabra 'Ramulosa'
・ Ulmus glabra 'Rugosa'
・ Ulmus glabra 'Spectabilis'
・ Ulmus glabra 'Tiliaefolia'
・ Ulmus glabra 'Tomentosa'
・ Ulmus glaucescens
・ Ulmus glaucescens var. glaucescens
・ Ulmus glaucescens var. lasiocarpa
・ Ulmus harbinensis
・ Ulmus ismaelis
Ulmus laciniata
・ Ulmus laciniata var. nikkoensis
・ Ulmus laevis
・ Ulmus laevis 'Aureovariegata'
・ Ulmus laevis 'Colorans'
・ Ulmus laevis 'Ornata'
・ Ulmus laevis 'Punctata'
・ Ulmus laevis 'Urticifolia'
・ Ulmus laevis var. celtidea
・ Ulmus laevis var. parvifolia
・ Ulmus laevis var. simplicidens
・ Ulmus lamellosa
・ Ulmus lanceifolia
・ Ulmus macrocarpa
・ Ulmus macrocarpa var. glabra


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Ulmus laciniata : ウィキペディア英語版
Ulmus laciniata

''Ulmus laciniata'' (Trautv.) Mayr, known variously as the Manchurian, Cut-leaf, or Lobed Elm, is a deciduous tree native to the humid ravine forests of Japan, Korea, northern China, eastern Siberia and Sakhalin, growing alongside ''Cerciphyllum japonicum'', ''Aesculus turbinata'', and ''Pterocarya rhoifolia'',〔Sasaki, Y. (1979) Der Verband Pterocaryon rhoifoliae in Japan. In: Vegetation und Landschaft Japans. Eds: Miyawaki, A., and Okuda, S. ''Bull. Yokohama Phytosoc. Soc. Japan.'' 16, 1979. pp. 213-226〕〔Ohwi, J. (1984). Flora of Japan. ISBN 978-0-87474-708-9〕〔Qian, H., Krestov, P., Fu, P.-Y., Wang, Q.-L., Song, J.-S. & Chourmouzis, C. Phytogeography of Northeast Asia. http://www.biosoil.ru/files/00000052.pdf〕 at elevations of 700–2200 m, though sometimes lower in more northern latitudes, notably in Hokkaido.
The tree is similar to the Wych Elm ''Ulmus glabra'', and was originally treated as such by Houtzagers and Henry, but later accorded species status of its own largely by reason of the enormous disjunction in their respective areas; ''U. glabra'' extending across Europe as far as the Urals, several thousand kilometres from ''U. laciniata'' in the Far East.
==Description==
''Ulmus laciniata'' is chiefly distinguished by its leaves, often regularly incised to form between three and seven apical lobes, giving rise to its common name, the Cut-leaf Elm. () The tree can reach a height of 27 m, although the trunk rarely exceeds 0.5 m d.b.h. The bark is dark, grey-brown and exfoliates in flakes. The unwinged branchlets bear laciniate leaves usually obtriangular, < 18 cm in length. The perfect wind-pollinated apetalous flowers are produced on second-year shoots in April (March in England), followed in May by elliptic < 20 × 14 mm samarae lightly-notched at the apex.〔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. ()〕〔Ware, G. (1995). Little-known elms from China: landscape tree possibilities. ''Journal of Arboriculture'', (Nov. 1995). International Society of Arboriculture, Champaign, Illinois, USA. ()〕〔White, J & More, D. (2003). ''Trees of Britain & Northern Europe''. Cassell's, London〕 Growth is moderate; the trunk of one specimen planted on a permanently damp soil in south Hampshire, UK, increased in diameter at breast height (d.b.h.) by a modest average of 1.7 cm per annum.〔Brookes, A. H. (2015). ''Great Fontley Elm Trial, 2015 Report''. Butterfly Conservation, Lulworth, UK.〕

Image:laciniata gff 001.jpg|14-year-old tree at Great Fontley, UK, in spring
Image:Ulmus laciniata leaf.jpg|''U. laciniata'' leaf taken in midsummer
Image:laciniata samara.jpg|''U. laciniata'' samara
File:DMU.laciniata twigs.JPG|''U. laciniata'' twigs


抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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