Perianth

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The sterile parts of a flower; collectively, the sepals and petals (or tepals).
  2. 2
    collective term for the outer parts of a flower consisting of the calyx and corolla and enclosing the stamens and pistils wordnet
  3. 3
    The sterile, tubelike tissue that surrounds the female reproductive structure in a leafy liverwort.

    "Archegonia are surrounded early in their development by the juvenile perianth, through the slender beak of which the elongated neck of the fertilized archegonium protrudes."

Synonyms

All synonyms
perigonechlamyscoronafloral envelopeflowerperigone

Example

More examples

"Archegonia are surrounded early in their development by the juvenile perianth, through the slender beak of which the elongated neck of the fertilized archegonium protrudes."

Etymology

From French périanthe, from New Latin perianthium.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.