perianth

English

Etymology

From French périanthe, from New Latin perianthium.

Noun

perianth (plural perianths)

  1. (botany) The sterile parts of a flower; collectively, the sepals and petals (or tepals).
  2. (botany, bryology) The sterile, tubelike tissue that surrounds the female reproductive structure in a leafy liverwort.
    • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.: Field Museum of Natural History, →ISBN, page 5:
      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.

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