genus rhynia definition

  • noun:
    • type genus of the Rhyniaceae; little leafless dichotomously branching fossil flowers with terminal sporangia and smooth branching rhizomes
    • type genus of this Rhyniaceae; small leafless dichotomously branching fossil flowers with terminal sporangia and smooth branching rhizomes
    • type genus regarding the Rhyniaceae; little leafless dichotomously branching fossil flowers with critical sporangia and smooth branching rhizomes

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  • Hypernym for "genus rhynia"
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