Sigillariaceae
plural noun
Sig·il·lar·i·a·ce·ae
Definition of Sigillariaceae
: a family of arborescent Carboniferous club mosses (order Lepidodendrales) that have the trunks marked with vertical rows of leaf scars suggesting seals
sigillariaceous
adjectiveFrom the M-W Editors
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Origin and Etymology of sigillariaceae
New Latin, from Sigillaria, type genus + -aceae
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