perianth

Etymology

From French périanthe, from New Latin perianthium, from Ancient Greek περιανθής (perianthḗs, “with flowers all around”). By surface analysis, peri- + -anth. Doublet of perianthium.

noun

  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.

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