Flower Structure

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•  Drawing of half-views of animal-pollinated flowers

Flowers are the reproductive organs of angiospermophytes (flowering plants) and contain male and female structures

  • Most flowers possess both male and female structures (monoecious), but some may only possess one structure (dioecious)

Structure of a Flower

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Flower Structures

The male part of the flower is called the stamen and is composed of:

  • Anther – pollen producing organ of the flower (pollen is the male gamete of a flowering plant)
  • Filament – slender stalk supporting the anther (makes the anther accessible to pollinators)

The female part of the flower is called the pistil (or carpel) and is composed of:

  • Stigma – the sticky, receptive tip of the pistil that is responsible for catching the pollen
  • Style – the tube-shaped connection between the stigma and ovule (it elevates the stigma to help catch pollen)
  • Ovule – the structure that contains the female reproductive cells (after fertilisation, it will develop into a seed)

In addition to these reproductive structures, flowers possess a number of other support structures:

  • Petals – brightly coloured modified leaves, which function to attract pollinators
  • Sepal – Outer covering which protects the flower when in bud
  • Peduncle – Stalk of the flower

Simplified Flower Drawing


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