Last Updated
：2025/11/21
tree fern
（ plural ）
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Any of many tropical ferns that have tall trunks topped with fronds, of the orders Cyatheales, Marattiales, and Osmundales, especially families Cyatheaceae, Dicksoniaceae, and Metaxyaceae in Cyatheales.
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tree fern
A towering tree fern shaded the hikers as they stepped into the misty ravine.
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A towering tree fern shaded the hikers as they stepped into the misty ravine.
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