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Vinony

perianth

noun

  1. part of a flower situated outside the stamens and carpels
L1327960 on Wikidata ↗

Wiktionary

noun

Etymology: From French périanthe, from New Latin perianthium.

  1. The sterile parts of a flower; collectively, the sepals and petals (or tepals).
  2. 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.”