Flower Mandala, manipulated image created by multiplying section of plant into a complete geometric shape.

Flower Mandala, manipulated image created by multiplying section of plant into a complete geometric shape.

Flower Mandala, manipulated image created by multiplying section of plant into a complete geometric shape.

Flower Mandala, manipulated image created by multiplying section of plant into a complete geometric shape.

Dahlia, abstract deep red pattern against black.

Waterlily type dahlia close up showing petals.

Dahlia, red flower shot against similar colour backgound.

Dahlia, red flower shot against similar colour backgound.

Dahlia, red flower shot against similar colour backgound.

Dahlia, yellow flower with Painted Lady butterfly, Vanessa cardui.

Dahlia 'Bishop of Auckland', single red flower showing yellow stamen and dark purple leaves.

Dahlia, Dahlia 'Honka'.