ˈrīnēə noun
Etymology: New Latin, from Rhynie, Scotland, where the fossil plant was discovered + -ia
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. -s : any plant or fossil of Rhynia or a closely related genus