单词 | cycadeoid |
释义 | cycadeoidnoun cy·cad·e·oid sī-ˈka-dē-ˌȯid : 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 |
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