Plants Flashcards
Male parts of a flower and their functions
Stamen - the male organ of the flower. Basically ‘stamen’ is a word for the anther and filament combined.
Anther - the part of the stamen where pollen is produced.
Filament - the stalk that holds up the anther.
Female parts of a flower and their functions
Carpel - the female organ of the flower. Consists of the stigma, style, and ovary.
Stigma - the sticky tip that pollen attaches to.
Style - the stalk that holds up the stigma, and that the pollen tube will grow down.
Ovary - the structure that contains the ovules.
Ovules - the female gametes. You can think of these as equivalent to eggs in animals.
Flower Adaptations for insect pollination
Brightly coloured petals that attract insects.
Nice scents that attract insects.
Nectaries that produce sugar nectar to attract insects.
Big, sticky pollen grains, which stick easily to the insects’ bodies.
Sticky stigmas so that pollen grains will rub off of the insects, and stick to the stigmas.
Flower Adaptations for wind pollination
Lots of small, light pollen grains that get blown long distances in the wind
Long filaments so that the anthers hang out of the flower, and the pollen can be blown away more easily.
Feathery stigmas that can trap lots of passing pollen grains.
Smaller, less bright petals, and no nectaries or strong scents - as the flowers don’t need to attract insects.