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n. pl. ar·che·go·ni·a (-nē-ə)
A multicellular, often flask-shaped, egg-producing organ occurring in mosses, liverworts, ferns, and most gymnosperms.

[New Latin, from Greek arkhegonos, original : arkhe-, arkhi-, archi- + gonos, offspring; see genə- in Indo-European roots.]

ar′che·go′ni·al adj.
ar′che·go′ni·ate (-ĭt) adj.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.archegoniate - of or relating to an archegonium
phytology, botany - the branch of biology that studies plants
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References in periodicals archive ?
A theory of alternation of generations in archegoniate plants based upon the ontogeny.
Unfavorable conditions tend to increase the maleness of prothalli whereas extremely favorable conditions, as artificial cultures, could cause in the formation of strictly archegoniate prothalli (Nayar and Kaur, 1971).
The cordate shaped prothalli developed archegonia after they reached maturity and remained as archegoniate prothalli throughout the reproductive phase.
The origin and differentiation of the archegoniate land-plants.