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单词 prickly shield fern
释义

prickly shield fern

noun
Any of several shield ferns of the genus Polystichum; especially P. aculeatum of Eurasia and North Africa, which has leathery fronds and distinctive bristle-toothed pinnules.

Origin

Early 19th century; earliest use found in James Edward Smith (1759–1828), botanist.

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更新时间:2024/12/23 5:01:02