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Ulmus wallichiana subsp. xanthoderma
The elm, ''Ulmus wallichiana'' subsp. ''xanthoderma'' was identified by Melville and Heybroek
after the latter's expedition to the Himalaya in 1960.〔Melville, R. & Heybroek, H. (1971). Elms of the Himalaya. ''Kew Bulletin, Vol. 26 (1)''. Kew, London.〕
The tree is of more western distribution than subsp. ''wallichiana'', from Afghanistan to Kashmir.〔Bean, W. J. (1970). ''Trees & Shrubs Hardy in the British Isles'', 8th ed., (2nd impression 1976) John Murray, London. ISBN 9780719517907 ()〕
==Description==
A deciduous tree growing to 30 m with a crown comprising several ascending branches. The bark of the trunk is pale grey, coarsely furrowed longitudinally. The branchlets become orange- or yellow-brown, glandular at first, not hairy. The leaves range from 5.6–14 cm long by 3–7.5 cm broad, elliptic-acuminate in shape, and with a glabrous upper surface, on petioles 7–10 mm long. The inflorescence is slightly glandular, almost glabrous. The samarae are orbicular to obovate, with a few glandular hairs; the seed central.〔〔
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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