Annularia

noun
An·​nu·​lar·​ia | \ ˌanyəˈla(a)rēə\

Definition of Annularia

: a large genus of fossil pteridophytic plants of the order Equisetales having annuli formed by the basal sheaths of the leaf whorls

First Known Use of Annularia

1830, in the meaning defined above

History and Etymology for Annularia

New Latin, from Latin annulus + New Latin -aria

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