Definition of Onygena
: a genus (the type of the family Onygenaceae) of ascomycetous fungi that have stalked capitate ascocarps and occur typically on decaying animal materials (as hooves or feathers)
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Origin and Etymology of onygena
New Latin, irregular from Greek onyx nail of the finger or toe, claw, hoof + New Latin -gena (from Greek -genēs born)
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