Studio shot looking into spiral form of spathe or floral bract surrounding central, yellow spadix or floral spike.

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

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

Spirea, Spirea nipponica 'Snowmound', White coloured flowers growing outdoor.

Spirea, Spirea nipponica 'Snowmound', White coloured flowers growing outdoor.

Hydrangea, Snowball Hydrangea, White coloured flowers growing outdoor.

Rose, Rosa, Close up of white coloured flower growing outdoor showing pattern of petals.

Rose, Rosa, Close up of white coloured flower growing outdoor showing pattern of petals.

Rose, Rosa, Close up of red coloured flower growing outdoor showing pattern of petals.

Rose, Rosa, Close up of red coloured flower growing outdoor showing pattern of petals.

Rose, Rosa, Close up of red coloured flower growing outdoor showing pattern of petals.

Rose, Rosa, Close up of red coloured flower growing outdoor showing pattern of petals.

Rose, Rosa, Close up of red coloured flower growing outdoor showing pattern of petals.