rhynia

noun
rhy·nia | \ˈrīnēə\

Definition of rhynia 

1 capitalized : a genus (the type of the family Rhyniaceae) of small leafless dichotomously branching fossil plants with terminal sporangia, a primitive stele, and smooth branching rhizomes — compare horneophyton

2 plural -s : any plant or fossil of Rhynia or a closely related genus

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History and Etymology for rhynia

New Latin, from Rhynie, Scotland, where the fossil plant was discovered + -ia

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