They found that a pre-pattern is set up on the petal surface very early in the flower's formation, long before the petal shows any visible color. The petal acts like a 'paint-by-numbers' canvas ...

The second move, this one artistic but no less momentous, was that Casteel, 35, began painting pictures of flowers. The first floral painting she made after arriving upstate was born of a moment ...

They found that a pre-pattern is set up on the petal surface very early in the flower’s formation long before the petal shows any visible colour. The petal acts like a 'paint-by-numbers' canvas ...

They found that a pre-pattern is set up on the petal surface very early in the flower's formation long before the petal shows any visible colour. The petal acts like a 'paint-by-numbers' canvas ...