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rhynia
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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Origin and Etymology of rhynia
New Latin, from Rhynie, Scotland, where the fossil plant was discovered + -ia
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