Plant Reproduction

Stamen

Male reproductive organ

Petal

Usually colourful to attract insects and animals

Sepal

Usually green in colour and it protects the flower during the bud stage

Pistil

Female reproductive organ

Types of flowers

Bisexual and unisexual flowers

Bisexual flowers

They have both male (stamen) and female (pistil) reproductive organs in the same flower

Unisexual flowers

Incomplete because they only have stamen or pistil

Pollination

The process of transferring matured pollen grains from anther to stigma

Self-pollination

Pollen grain are transferred to the stigma of another flower on the same plant

Cross-pollination

Pollen grains are transferred to the stigma of another flower on a different plant of the same species