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Ulmus castaneifolia
''Ulmus castaneifolia'' Hemsley, the Chestnut-leafed elm or Multinerved elm, is a small deciduous tree found across much of China in broadleaved forests at elevations of between 500 m and 1600 m.
==Description==
The tree can reach a height of 20 m with a trunk of about 0.5 m d.b.h. The bark is thick with a pronounced corky layer, and is longitudinally fissured. The branchlets are devoid of the corky wings common to many elms. The leaves are generally narrow, ranging from obovate to elliptic, < 15 cm long, and densely hirsute when young. The perfect wind-pollinated apetalous flowers are produced on second-year shoots in February; the samarae are mostly obovate < 30 mm × 16 mm.〔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. ISBN 1-930723-40-7 ()〕〔White, J. & More, D. (2003). ''Trees of Britain & Northern Europe''. Cassell's, London. ISBN 0304361925〕
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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