A deciduous tall tree of the elm family. It is endemic to the temperate zone of East Asia. Some trees reach a height of 30m, and have a beautiful shape with tall, spreading branches. Although it grows wild in mountainous areas, it is often planted on residential premises, and is a typical component of residential forests, especially in the Kanto Plain, creating a unique landscape. The leaves are stalked, irregularly shaped, and have sawtooth edges. They are monoecious, and the flowers bloom in spring, but are small and inconspicuous. The wood is hard and has beautiful grain, so it has been used since ancient times as a building material for temples and other buildings. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
ニレ科の落葉高木。東アジアの温帯に特産する。高さ 30mに達するものもあり,梢が高く広がる美しい樹形である。山地に自生もするがしばしば人家に植えられ,特に関東平野では屋敷林の代表的な構成種であり,独特の景観をつくっている。葉は有柄で左右不整形,縁に鋸歯がある。雌雄同株で,花は春に咲くが小さくて目立たない。材は堅く木目(→木理)が美しいので,古くから伽藍などの建築材として用いられた。
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