autumn fern

noun

Definition of autumn fern

: a shield fern (Dryopteris erythrosora) native to eastern Asia that is widely cultivated as an ornamental for its triangular, evergreen fronds which are copper-colored when young before turning a glossy, dark green Autumn fern has colorful fronds that emerge copper-colored in spring, then unfurl with a pinkish tinge before turning glossy green in summer. — Jan Riggenbach, Daily Herald (Chicago, Illinois), 21 Dec. 2008

called also Japanese shield fern

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First Known Use of autumn fern

1929, in the meaning defined above

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Cite this Entry

“Autumn fern.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/autumn%20fern. Accessed 24 Sep. 2020.

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