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落叶植物

在秋冬季节时的一片落叶性森林

落叶植物,是植物学中一个常见名词,与常绿植物相对,在一年中有一段时间叶片将完全脱落,枝干将变得光秃秃的没有叶子。落叶性出现的原因如季节气候有明显关系。由于在季节温度一般较低,气候亦较干旱及易有缺水情况,致使植物生长停止,叶全部脱落,于翌年再长出嫩叶。除了于热带及部分温带地区生长的物种较多为常绿性外,其余植物皆为落叶性或半落叶性。半落叶性表示植物同样受秋冬季节气候影响导致生长抑缓,其叶则有部分脱落。

一般被子植物当中,具落叶性的植物较多,例如:梧桐;半落叶性的例如:白蜡树乌桕。而裸子植物当中,松柏门只有落羽杉属Taxodium)、落叶松属Larix)、水杉属Metasequoia)和水松属Glyptostrobus)具落叶性;银杏门银杏也是落叶树。

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落叶植物
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