单词	Ceratopteris
释义	Ceratopteris noun Cer·​a·​top·​te·​ris ˌserəˈtäptərə̇s : a genus of aquatic ferns (family Parkeriaceae) having leaves in rosettes, the sterile floating or emergent, the fertile more erect and with margins revolute over the sporangia Word History Etymology New Latin, from cerat- + -pteris
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