Annularia

noun

An·​nu·​lar·​ia

ˌanyəˈla(a)rēə

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

Word History

Etymology

New Latin, from Latin annulus + New Latin -aria

First Known Use

1830, in the meaning defined above

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