闊葉樹

闊葉樹是對長有被子植物的統稱,一般闊葉樹的叶子是平的,並且闊葉樹的果实内能结出种子。它是两种常見的树木之一,另一种是针叶树,這種樹木具有针状或鳞片状的叶子[1]。大多数落叶树屬於阔叶树[2]

针叶树(左側)和闊葉樹(右側)對比[2]
裸子植物(不开花的种子植物 被子植物(开花的种子植物
通常是常绿植物 通常是落葉植物
通常是软木[3] 通常是硬木
针状或鳞片状叶 阔叶
例如:冷杉属云杉属松屬 例如:山核桃属枫属栎属

参考文献

  1. Dichotomous Key. Common Trees of the Pacific Northwest. College of Forestry, Oregon State University.
  2. Lee, S. and A. Raflo. Trees and Water. 存檔,存档日期2016-09-21. Virginia Water Resources Research Center. Virginia Tech.
  3. Forest Products Laboratory (FPL) of the U.S. Department of Agriculture (USDA), Wood Handbook—Wood as an Engineering Material, General Technical Report series, № FPL‑GTR‑190, Centennial ed. (Madison, Wis.: USDA Forest Service, FPL, 2010‑04), p. 2‑2.
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