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Populus euphratica : ウィキペディア英語版 | Populus euphratica
''Populus euphratica'', commonly known as the Euphrates poplar or desert poplar, is a species of poplar tree in the willow family. ==Description== The Euphrates poplar is a medium-sized deciduous tree that may grow to a height of about 15 m and a girth of 2.5 m where conditions are favourable. The stem is typically bent and forked; old stems have thick, rough, olive-green bark. While the sapwood is white, the heartwood is red, darkening to almost black at the centre. The roots spread widely but not deeply. The leaves are highly variable in shape. The flowers are borne as catkins, those of the male are 25–50 mm long, those of the female 50–70 mm. The fruits are ovoid-lanceolate capsules, 7–12 mm long, containing tiny seeds enveloped in silky hairs.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Populus euphratica」の詳細全文を読む
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