Sunflower, Common sunflower, Helianthus annuus, Close up detail of yellow coloured flower growing outdoor.

Sunflower, Helianthus annuus, Front view of single yellow flowerhead with a leaf,

Sunflower, Helianthus annuus, Close side view showing deep brown centre with many stamen surrounded by yellow petals.against a green background.

Sunflower, Helianthus annuus, A mass of striped seeds .

Sunflower seedlings, Helianthus annuus, An arrangement on white of different stages of the seed sprouting until the final one has shed its seedcase.

Sunflower, Helianthus annuus, bouquet of flowers in an antique metal can in the garden.

Sunflower, Helianthus annuus, bouquet of flowers in an antique metal can in the garden.

Sunflower, Helianthus annuus.

Sunflower, Helianthus annuus.

Sunflower, Helianthus annuus.

Sunflower, Helianthus annuus.

Sunflower, Helianthus annuus.