広葉樹




広葉樹（こうようじゅ、闊葉樹〈かつようじゅ〉ともいう）とは葉が広く平たいサクラやケヤキ、ブナなどの被子植物に属す木本のことである。広葉樹で構成される森林は広葉樹林と称される。


双子葉植物が圧倒的に多いが、ヤシ科、リュウゼツラン科など、単子葉植物も少数ながらある。常緑性と落葉性の樹木があり、それぞれ常緑広葉樹、落葉広葉樹と呼ばれる。温帯から熱帯を中心に多く分布している。針葉樹に対する。


被子植物のことであるので、分類学上裸子植物であるイチョウやソテツ類は、ヘゴなどの木性シダ類とともに、葉が広くても広葉樹でも針葉樹でもない。



関連項目




  • 常緑広葉樹林

    • 熱帯雨林

    • 照葉樹林

    • 硬葉樹林



  • 落葉広葉樹林

  • 木の一覧

  • 天然更新

  • 萌芽更新

  • 樹洞



外部リンク



  • 広葉樹の種苗の移動に関する遺伝的ガイドライン - 森林総合研究所







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