rhynia
noun
rhy·nia
ˈrīnēə
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
Word History
Etymology
New Latin, from Rhynie, Scotland, where the fossil plant was discovered + -ia