6.1 - Structure of a Flower

Flower Structure

• A flower usually has both male and female reproductive organs.
• Other flower structures are the peduncle, sepal, and petal.

Male Reproductive Organ

• Stamen: Male reproductive organ.
• Each stamen consists of a filament and an anther.
• The anther produces pollen grains.

Female Reproductive Organ

• Carpel: Female reproductive organ.
• Each carpel consists of a stigma, style, and ovary.
• The ovary contains one or more ovules.

Comparison between Male and Female Structures in a Flower

Similarities

• Both produce gametes.
• Both are located at the flower’s organ.

Differences

Male flower part	Female flower part
Consists of stamens	Consists of carpels
Has filaments and anthers	Has stigmas, styles, and ovaries
Produces pollen grains	Produces embryo sacs
Projects out from the base of the ovary	Located in the middle part of the flower