イロハモミジが緑色に変色するのはなぜですか?
赤い葉のイタヤカエデの木が緑の葉を持つのはなぜですか?
イロハモミジが赤くならないのはなぜですか? - イロハモミジ
Why does my Japanese maple have 2 different types of leaves?
Q&A – イロハモミジの葉が茶色くカールしているのはなぜですか?
イロハモミジの葉が垂れ下がっているのはなぜですか? - イロハモミジ
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