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单词 cycadeoid
释义

cycadeoid

noun

cy·​cad·​e·​oid sī-ˈka-dē-ˌȯid How to pronounce cycadeoid (audio)
: any of a division (Cycadeoidophyta) or order (Bennettitales) of extinct Jurassic to Cretaceous gymnosperms that differ from the cycadophytes chiefly in having the reproductive organs on the trunk embedded in a thick covering of bracts and scales

Word History

Etymology

New Latin Cycadeoidales, group name, ultimately from Cycad-, Cycas

First Known Use

1860, in the meaning defined above

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更新时间:2024/12/22 13:14:43