Sunflower, Helianthus, Yellow cut flowers in bucket on patio.

Sunflower, Helianthus, Yellow cut flowers in bucket on patio.

Sunflower 'The Bees Knees', Helianthus annuus 'The Bees Knees', Yellow flower growing outdoor.

Sunflower, Helianthus annuus in jug vase, Artistic textured layers added to image to produce a painterly effect.

Sunflower 'Italian White', Helianthus annuus 'Italian White', Two yellow flowers growing outdoor.

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

Sunflower, Helianthus, Honey bee, Apis Mellifera, pollinating a flower.

Sunflower, Helianthus, Honey bee, Apis Mellifera, pollinating a flower.

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

Sunflower, Helianthus, Side view of two flowerheads sunk into matching yellow fabric.

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 .