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单词 helicogyrate
释义

helicogyrateadj.

/ˌhɛlɪkəʊˈdʒʌɪ(ə)reɪt/
Etymology: formed as helico- comb. form + gyrate adj.
Botany.
Surrounded by an obliquely placed ring, as some spore-cases. Also said of the ferns.
ΘΚΠ
the world > plants > part of plant > reproductive part(s) > spore or sporule > [adjective] > of or having a spore case > surrounded by ring
annulate1830
helicogyrate1857
1857 M. J. Berkeley Introd. Cryptogamic Bot. §595 Fée..includes the helicogyrate ferns also in the general denomination of Polypodiaceæ.
1866 J. Lindley & T. Moore Treasury Bot. Helicogyrate, having a ring or gyrus carried obliquely round it; as in the spore-cases of Trichomanes.
This entry has not yet been fully updated (first published 1898; most recently modified version published online September 2021).
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adj.1857
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