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单词 black spleenwort
释义

Definition of black spleenwort in English:

black spleenwort

noun
  • Either of two small ferns commonly found on rocks and walls, maidenhair spleenwort, Asplenium trichomanes, and (now more usually) the Eurasian fern A. adiantum-nigrum, which has triangular fronds with a dark base to the stem.

Origin

Late 18th century; earliest use found in Stephen Robson (1741–1779), botanist.

Definition of black spleenwort in US English:

black spleenwort

noun
  • Either of two small ferns commonly found on rocks and walls, maidenhair spleenwort, Asplenium trichomanes, and (now more usually) the Eurasian fern A. adiantum-nigrum, which has triangular fronds with a dark base to the stem.

Origin

Late 18th century; earliest use found in Stephen Robson (1741–1779), botanist.

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更新时间:2024/11/8 22:09:44