Course Content
GROWTH AND DEVELOPMENT IN PLANTS AND ANIMALS
Biology Form 3
About Lesson

Insect Pollinated/Entomophilous Flowers

Adaptations of flowers to insect pollination

  • Are scented to attract insects;
  • Have sticky stigma for pollen grains to stick on;
  • Brightly coloured to attract insects;
  • Presence of nectar to attract insects;
  • Have nectarines to secrete nectar; Have nectar guides to guide the insect to the nectarines;
  • Stigma/anthers located inside the flower/tubular/funnel shaped to increase chances of contact by insects;
  • Sticky/spiny pollen grains which stick on the body of insect.
  • Large/conspicuous flowers easily seen to attract insects;
  • Anthers firmly attached to filament for insect to brush against them;
  • Have landing platform to ensure contact with anther and stigma;
  • Mimicry to attract (male insect);

 

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