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 ...

Zhu Da (1626–1705), “Flowers on a River” (1697), hand scroll; ink on paper, 19 × 508 7/8 inches (collection of the Tianjin Museum) A rare exhibition of Chinese painting in Manhattan is ...

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 ...