Shirley poppy, Papaver rhoeas Shirley series, pink flower showing stamens and stigma.

Rose, Rosa, red flower with a white stripe on one petal against a dark red background. the rose has a flattened, dried appearance.

Ranucuclus, Persian buttercup, a Ranunculus asiaticus, dark pink flower against a solid black background.

Ranucuclus, Persian buttercup, a Ranunculus asiaticus, black and white against a solid black background.

Ranucuclus, Persian buttercup, a Ranunculus asiaticus, pink flower against a pink background.

Ranucuclus, Persian buttercup, a Ranunculus asiaticus, orange flower against a solid black background.

Ranucuclus, Persian buttercup, a Ranunculus asiaticus, black and white against a solid black background.

Shirley poppy, Papaver rhoeas Shirley series, pink flower showing stamens and stigma.

Shirley poppy, Papaver rhoeas Shirley series, black and white side view showing stamens and stigma.

Opium poppy, Papaver somniferum, close up showing the stamens and stigma.

Opium poppy, Papaver somniferum, close up showing the stamens and stigma.

Opium poppy, Papaver somniferum, close up showing the stamens and stigma.

Ranunculus, Persian ranunculus, a double petalled orange Ranunculus asiaticus cultivar, Front view showing yellow stamens and a curved stem.

Ranunculus, Persian ranunculus, a double petalled pale pink Ranunculus asiaticus cultivar, Side view with selective focus and soft light of a flower on a bent curved stem.

Ranunculus, Persian ranunculus, a double petalled pale pink Ranunculus asiaticus cultivar, Close side view with selective focus and soft light.

Ranunculus, Persian ranunculus, an orange Ranunculus asiaticus cultivar, Close side view with selective focus against a green background.

Ranunuculus, Persian ranunculus, a double petalled orange Ranunculus asiaticus cultivar, Front view showing yellow stamens and a long stem.

Ranunculus, Persian ranunculus, a double petalled yellow Ranunculus asiaticus cultivar, Close front view with selective focus against a green graduated background.

Ranunculus, Persian ranunculus, a double petalled yellow Ranunculus asiaticus cultivar, Close front view with selective focus against a green graduated background.

Ranunculus, Persian ranunculus, a double petalled yellow Ranunculus asiaticus cultivar, Close side view with selective focus against a green background.

Ranuncuus, Persian ranunculus, a double petalled yellow Ranunculus asiaticus cultivar, Close side view with selective focus against a brown background.

Ranunculus, Persian ranunculus, a double petalled yellow Ranunculus asiaticus cultivar, Close side view with selective focus against a blue background.

Tulip, Parrot tulip, Tulipa 'Flaming parrot', Side view of one red, orange and yellow fringed tulip.

Tulip, Parrot tulip, Tulipa 'Flaming parrot', Side view of one red, orange and yellow fringed tulip.