Reproduction in Plants

Asexual Reproduction

A process resulting in the production of genetically identical offspring from one parent

Sexual Reproduction

A process involving the fusion of the nuclei of two gametes to form a zygote and the production of offspring that are genetically different from its parents.

The table below shows the difference between asexual and sexual reproduction:

Asexual Reproduction Sexual Reproduction
Involves one parent Involves two parents
Involves mitosis Involves meiosis
Doesn’t involve fusion of gametes involves fusion of gametes
Genetically identical organisms produced Genetically different organisms produced

Sexual Reproduction in flowering plants

In plants, sexual reproduction leads to the production of seeds that may be stored inside its fruit.

Sexual reproduction in flowering plants usually takes place in their flowers. The function of a flower is to make gametes. Usually, plants are a hermaphrodite, which means that they can produce both- male and female gametes.

The Structure of a Flower

Parts of the flower Function
Sepal Protect the flower
Petal Attract insects through bright colours
Nectary Contains nectar that insects feed on
Filament Anchors the anther
Anther Contains the male gamete in pollen grains
Stigma Catch pollen
Style Support stigma
Ovary Contains the ovules
Ovule Contains the female gamete


Pollination is the transfer of pollen grains, from the male part of the plant (anther of stamen) to the female part of the plant (stigma)

Methods of pollination

  • Insect pollination
  • Wind pollination

Insect pollination: involves the medium of transfer of pollen as the insect.

  1. An insect such as a bee visits the flower
  2. It follows the guidelines towards the nectary
  3. And feeds on the nectar.
  4. Meanwhile, some pollen gets brushed on its body and remains there.
  5. When the insect visits another flower of the same plant or species, it is likely that some pollen sticks onto the carpel.

Wind pollination: involves the medium of transfer of pollen as the wind.

  1. The anther produces large amounts of pollen grains
  2. The wind may blow some of these pollen onto the carpel of another flower of the same species.

Types of pollination

  • Self pollination
  • Cross pollination

Self Pollination

The transfer of pollen grains from the anther of a flower to the stigma of the same flower, or different flower of the same plant.

Cross Pollination

The transfer of pollen grains from the anther of a flower to the stigma of another flower of the same species

Cross Pollination - Reproduction In Plants
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  • Ayaan Reza Syed

    can you add fertalization in foloering plant , thanks

  • Ashik

    Fertilization, seed and seed germination are missing…

  • Ibrahim Tariq

    please add fertilization

  • Leela de Paula

    “follows the guidelines towards the nectary” a a description of the insect’s travel towards the flower seems strangely worded…

  • muhammad anas

    add fertilization