Based on Survival of the Sickest, the flower had a reason to slowly mutate and evolve to become that type of color and shape. The mutations that occur better suited the environment and allowed the flower to pass down its genes to its off-spring later on. A first possible explanation for the bright color is the attraction of small insects, such as bees, that would help pollinate the plant and keep it alive. These bright colors help attract the bees, which in turn keep them alive, and also help them reproduce. Another possibility is the flower uses its colors to defend and protect itself. Usually in nature, extremely bright colored animals and plants are poisonous and use their hues to indicate this to other animals. This defense mechanism is another reason the plant is able to stay alive and later reproduce. Also, as seen on my blog in the coloration of the corn, this plant might've undergone environmental stress and has some jumping genes.
The failure of certain genes activating can result in malfunctioning and physical deformations. When the ZPA is moved to developing limbs, replicas of limbs/fingers can occur, which is shown in the picture of the child's hand.
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