Definition

1. Noun:
   • The ripened and variously modified walls of a plant ovary: In botany, the pericarp is the part of a fruit that develops from the ovary wall after fertilization. It surrounds and protects the seed(s). The pericarp can be differentiated into layers, such as the exocarp (outer skin), mesocarp (fleshy middle), and endocarp (inner layer around the seed).

Examples of Usage

• Noun:
  • The pericarp of a peach is fleshy and edible.
  • In nuts like walnuts, the pericarp becomes a hard, protective shell.
  • Botanists study how the pericarp develops during fruit maturation.

Advanced Usage

• "Dry pericarp": A pericarp that becomes dry and often hard or papery at maturity, as opposed to fleshy.
  • The dry pericarp of a poppy capsule splits open to release the seeds.
• "Pericarp dehiscence": The natural splitting open of a dry pericarp to disperse seeds.
  • The pericarp dehiscence of legumes is an important mechanism for seed dispersal.

Variants and Related Words

• Pericarpial (adj): Relating to or of the nature of a pericarp.
  • The pericarpial tissue was examined under a microscope.
• Endocarp (n): The innermost layer of the pericarp.
• Mesocarp (n): The middle, often fleshy, layer of the pericarp.
• Exocarp (n): The outermost layer or skin of the pericarp.

Synonyms

• Fruit wall: A descriptive synonym for the pericarp.
• Seed vessel: An older, less precise term sometimes used for the pericarp.

Related Phrases and Terms

• "Pericarp thickness": A measurement used in agricultural and botanical studies.
  • Breeders select for varieties with reduced pericarp thickness in certain grains.
• "Derived from the pericarp": Used to describe materials or products originating from the fruit wall.
  • Some spices, like black pepper, are derived from the dried pericarp.

Noun

1. the ripened and variously modified walls of a plant ovary