Sexual Reproduction in Flowering Plants
About Lesson

Gynoecium (Pistil):-

  • It represents the female reproductive part of the flower.
  • It may consist of a single pistil (monocarpellary) or more than one pistil (multicarpellary).
  • When there are more than one, the pistils may be fused together (syncarpous) or may be free (apocarpous).

Each pistil has three parts:

  • 1. Stigma: It is a landing platform for pollen grains.
  • 2. Style: It is an elongated, slender part beneath the stigma.
  • 3. Ovary: It is the basal bulged part of the pistil.
  • Inside the ovary is the ovarian cavity (locule) in which the placenta is located.
  • Arising from the placenta are the ovules (megasporangia).
  • The number of ovules in an ovary may be one (wheat, paddy, mango, etc) to many (papaya, watermelon, orchids, etc.).
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