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Crataegus heterophylla : ウィキペディア英語版 | Crataegus heterophylla
''Crataegus heterophylla'', known as the various-leaved Hawthorn, is of uncertain origin. Its original native range is not known, possibly it was the Caucasus of Western Asia. Suggestions that it originated in Southeast Europe may be based on misidentification. ==Description== ''Crataegus heterophylla'' is a small tree of about in height, sometimes up to ; often semi-evergreen in character, with unusually variable leaves for a hawthorn. Some leaves are entirely smooth-edged, or have just a few (sometimes three) teeth at the apex only. These leaves are oblong, or ovate in shape. Other leaves are more sharply pointed, deeply lobed leaves. The former smooth leaf types can be found on the flowering shoots; the latter pointed types on the barren shoots. All the leaves are glossy, dark green in colour, and quite glabrous. The tree is heavily fruiting, with the long, narrow red berries attractive and a bird food source.
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「Crataegus heterophylla」の詳細全文を読む
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