Flower structure - functions

Sepal

Green leaf like structures that protect the flower in the bud

Petal

Modified leaves, can be shaped or patterned to guide insects to particular parts of the flower

Stamen

Male part of flower, contains the anther and the filament

Anther

Contains cells which produce the male gametes inside the pollen grains

Filament

Tube attached to anther

Pollen grains

Contains the male gametes

Pollen sac

Cells lining sacs divide by meiosis to form 4 cells that develop into the pollen grain

Carpel

Female part of flower

Ovules

Contains egg sac that surrounds the egg cell

Style

Pollen tube grows down the style into the ovule

Stigma

Top part of the carpel where pollen grain lands

Ovary

Found at base of carpel which protects the female gamete from dry air outside. Contains 1 or more ovules