Trident Maple (Acer Buergerianum) トウカエデ（唐楓）

英語の後に日本語が続きます。

These are leaves of a trident maple tree (Acer buergerianum) I found in April. Trident maple is native to South East China and Taiwan, coming to Japan in the early 18th century and can now be found across Japan. 

It's not unusual to see red male leaves in autumn but not so in April, you think? But not necessarily. Leaves turning red in spring is known as a way for plants to protect shoots from ultraviolet rays. The leaves are red but look different from autumn red leaves because of the deep green backdrop.   

2026/4/22

2026/4/22

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トウカエデ（唐楓）の春紅葉です。中国南東部と台湾が原産で日本には18世紀初めに渡来し、今は全国で見られます。秋の紅葉とは違い、春の紅葉は新芽を紫外線から守るため。赤は赤ですが周囲が新緑のせいか、赤が違って見えます。

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