Why do some plants exhibit uncommon behaviour? eg.coloured leaves, different coloured flowers on same twig?

different coloured flowers,leaves etc on same twig this depends on ditribution og hormone ,chemicals etc.


some times its genetic factor or family characteristics


some times it may be due to infection or damage in that particular region

FlowersBirthday FlowersSympathy FlowersDifferent colored flowers on the same twig is mostly an aging effect. Flowers open one color and age to another. The "yesterday-today-and-tomorrow" plant is a good example.





"With flowers opening purple, then turning pale lavender and finally white, yesterday-today-and-tomorrow is an aptly named little shrub. The pansy-like flowers have white throats, are about 2 in (5 cm) across and borne in profuse clusters (cymes, actually) of up to 10 blossoms, displayed all over the plant. Flowers of all three colors are present from spring through the end of summer."





Another one is the Forget-me-not (second link) which has two color phases.books authors