闊葉樹
闊葉樹是對長有被子植物的树的統稱,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]。
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
- Dichotomous Key. Common Trees of the Pacific Northwest. College of Forestry, Oregon State University.
- Lee, S. and A. Raflo. Trees and Water. 的存檔,存档日期2016-09-21. Virginia Water Resources Research Center. Virginia Tech.
- 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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