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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
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Origin and Etymology of annularia
New Latin, from Latin annulus + New Latin -aria
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