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单词 Gymnospermae
释义

Gymnospermae

plural noun

Gym·​no·​sper·​mae
: a class of Pteropsida or in some classifications a subdivision of Spermatophyta comprising seed plants (as cycads and conifers) that produce naked seeds not enclosed in an ovary and in some instances have motile spermatozoids and including the subclasses Cycadophyta and Coniferophytae compare angiospermae , filicineae

Word History

Etymology

New Latin, from gymn- + -spermae

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更新时间:2024/11/11 20:39:05