perigonium

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noun

The sterile parts of a flower; collectively, the sepals and petals (or tepals); the perianth.

Similar
perianthperigonesplash cupchlamysfloral envelope
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Meanings

nounperigonium (plural perigonia)

plural perigonia

  1. biologyThe sterile parts of a flower; collectively, the sepals and petals (or tepals); the perianth.

    Synonyms: perianth, perigone

  2. biologyThe modified leaves around the antheridia in a bryophytic plant.
  3. datedbiologyThe wall of the sporosac in a hydroid.

Synonyms & antonyms

nounThe sterile parts of a flower; collectively, the sepals and petals (or tepals); the perianth.

Similar
perianthperigone
Similar
splash cup

More synonyms by meaning

nouncollective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils

Similar
perianthchlamysfloral envelopeperigone
Broader
plant organcoveringnatural coveringcover
Also see
chlamysfloral envelopeperianthperigone

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

From peri- + -gonium.

Full word history & related roots →
Cite this entry
APA

perigonium. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/perigonium

MLA

“perigonium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/perigonium. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “perigonium,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/perigonium.

Source: perigonium on Wiktionary, CC BY-SA 4.0.