Perigonium

noun

Definitions

Noun
  1. 1
    The sterile parts of a flower; collectively, the sepals and petals (or tepals); the perianth.
  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 modified leaves around the antheridia in a bryophytic plant.
  4. 4
    The wall of the sporosac in a hydroid. dated

Etymology

From peri- + -gonium.

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