51Թ

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sensitive fern

noun

  1. a common, widely distributed fern, Onoclea sensibilis, having large, triangular leaves and beadlike spikes that contain the spores.


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51Թ History and Origins

Origin of sensitive fern1

An Americanism dating back to 1805–15; so called from the sensitivity of its foliage to frost
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Example Sentences

Examples have not been reviewed.

Several species grow in our woods, including the ubiquitous sensitive fern, the unusual Goldie’s fern and the finely textured lady fern with its attractive reddish midstem.

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As in the sensitive fern there are many curious gradations between the fertile and sterile fronds, both in shape and fruitfulness.

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But did the rambler ever find the sensitive fern, which resented the intrusive hand with all Mimosa's coyness?

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Horehound, horsemint, and the sensitive fern grew close to the edge, under the willows and alders, and wool-grass on the islands, as along the Assabet River in Concord.

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An intermediate form between the fertile and sterile fronds is sometimes found, as in the sensitive fern.

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